| abstract
| - Megachile (Chrysosarus) Mitchell 1943b: 664. Type species: Megachile guaranitica Schrottky 1908. Original designation. Michener et al 1994: 149, Michener 2000: 553. Chrysosarus (Dactylomegachile) Mitchell 1980: 72. Megachile (Dactylomegachile) Mitchell 1943b: 670. Type species: Megachile parsonsiae Schrottky 1913. Original designation. Chrysosarus (Chrysosarus) Mitchell 1980: 72. Chrysosarus (Dactylomegachile) Mitchell 1980: 72. Synonymy of Michener 2000: 553. This is primarily a southern subgenuswith only one species reaching Panamá. The 51 species range from Guyana and Peru to southern Brazil, Paraguay and Argentina. To date 20 species are known from Argentina and 21 from Brazil. T. B. Mitchell (1943b) selected M. guaranitica as the type species of the subgenus because at that time it was the only species of the group in which the sexes had been associated. I have followed Professor Michener's suggestion that Dactylomegachile be incorporated into Chrysosarus. The separation of the subgenera on colour and size (used by Mitchell 1943 and Silveira et al 2002) do not hold for many of the species.
* 1. Megachile (Chrysosarus) acris Mitchell Megachile acris Mitchell 1930: 297-298. Female. Type locality: Villarrica, Paraguay. Type repository: Meyer. Megachile (Chrysosarus) acris : Raw 2002 # 7: 9. DISTRIBUTION. PARAGUAY: Villarrica.
* 2. Megachile (Chrysosarus) aequalis Mitchell Megachile aequalis Mitchell 1930: 246-247. Male. Type locality: Chapada [dos Guimarães, MT], Brazil, November (H. H. Smith). Type repository: ANSP 4133. Examined. [Type missing antennae.] Megachile (Chrysosarus) aequalis : Mitchell 1943b: 666. DISTRIBUTION. BRAZIL: MT.
* 3. Megachile (Chrysosarus) affabilis Mitchell Megachile affabilis Mitchell 1930: 301-302. Female. Type locality: Villarrica, Paraguay. Type repository: Meyer. Megachile (Chrysosarus) affabilis : Raw 2002 # 7: 9. ADDITIONAL REFERENCE. Viana and Alves Santos 2002: 11 (D). DISTRIBUTION. BRAZIL: PR; SP- Santo Amaro. PARAGUAY: Villarrica, Tapyta.
* 4. Megachile (Chrysosarus) albopunctata Jörgensen Megachile albopunctata Jörgensen 1909: 225. Female. Type locality: Chacras de Coria, Mendoza, Argentina, December, Hoffmannseggia falcata. Type repository: Unknown. Megachile (Chrysosarus) albopunctata : Raw 2002 # 7: 9. ADDITIONAL REFERENCES. Jörgensen 1912a: 127 (F, T), 132 (K); 1912b: 310 (F). DISTRIBUTION. ARGENTINA: CA- Andalgala, Halfín; ME- Chacras de Coria. FLOWERS. Clematis hilarii, Hoffmannseggia falcata, Larrea tridentata, Senecio pinnatus, Verbesina octantha.
* 5. Megachile (Chrysosarus) arctos Vachal Megachile arctos Vachal 1904: 11. Female. Type locality: Callanga and Lara, Peru. Type repository: MNHN. Examined. Megachile (Chrysosarus) arctos : Raw 2002 # 7: 9. DISTRIBUTION. PERU.
* 6. Megachile (Chrysosarus) atricoma Vachal Megachile atricoma Vachal 1908: 224. Female. Type locality: Mapirí, Bolivia. Type repository: Vachal Collection, MNHN. Megachile (Chrysosarus) atricoma : Mitchell 1943b: 666. ADDITIONAL REFERENCES. Cockerell 1927a: 12-14 (D, K R-F); Mitchell 1930: 257 (D). DISTRIBUTION. BOLIVIA: Beni, Buenavista, Santa Cruz, Rio Mapirí. GUYANA.
* 7. Megachile (Chrysosarus) bella Mitchell Megachile bella Mitchell 1930: 249-250. Male. Type locality: Chapada [dos Guimarães, MT], Brazil, May (H. H. Smith). Type repository: ANSP 4135. Examined. Megachile (Chrysosarus) bella : Mitchell 1943b: 666. Silveira et al 2002: 212 (D). Moure (1942: 310; 1943: 181) considered M. bella to be synonym of M.diversa. DISTRIBUTION. BRAZIL: MG; MT- Chapada dos Guimarães.
* 8. Megachile (Chrysosarus) binota Vachal Megachile binota Vachal 1908: 225. Female. Type locality: Mendoza [Argentina]. Type repository: MNHN. Examined. Megachile (Chrysosarus) binota : Raw 2002 # 7: 9. DISTRIBUTION. ARGENTINA: ME.
* 9. Megachile (Chrysosarus) botanicarum Cockerell Megachile botanicarum Cockerell 1923a: 453-454. Female. Type locality: Botanic Gardens, [Georgetown] British Guiana, 23 April 1915 (G. E. Bodkin). Type repository: NHML 17a2465. Examined. Megachile (Chrysosarus) botanicarum : Raw 2002 # 7: 9. DISTRIBUTION. GUYANA.
* 10. Megachile (Chrysosarus) breviata Vachal Megachile breviata Vachal 1908: 227. Female. Type locality: Lara, 4000m, Tucuman [Argentina] (Baer). Type repository: Vachal Collection, MNHN. Megachile (Chrysosarus) breviata : Raw 2002 # 7: 9. DISTRIBUTION. ARGENTINA. BOLIVIA: Chinoli, La Paz.
* 11. Megachile (Chrysosarus) bruneriella Cockerell Megachile bruneriella Cockerell 1917b: 239-240. Male. Type locality: Carcaraña, Argentina (L. Bruner). Type repository: USNM 22906. Examined. Megachile (Chrysosarus) bruneriella : Raw 2002 # 7: 9. DISTRIBUTION. ARGENTINA: CA.
* 12. Megachile (Chrysosarus) catamarcensis Schrottky Megachile catamarcensis Schrottky 1908: 237. Female. Type locality: Catamarca, Argentina. Type repository: MZSP ? Megachile guaranitica catamarcensis : Schrottky 1909b: 268. Megachile (Chrysosarus) catamarcensis : Moure 1947: 233-234. Megachile gomphrenae Friese 1908a: 63-65 (D, K, R-FM) (not M. (Pseudocentron) gomphrenae Holmberg 1886). Synonymy of Jörgensen 1912b: 310. Jörgensen 1912a: 124-125 considered Megachile collaris Friese to be the male of M. catamarcensis. Schrottky (1913a: 168) and Mitchell (1930: 248) considered M. catamarcensis to be a synonym of M. (Chrysosarus) guaranitica Schrottky. ADDITIONAL REFERENCES. Jörgensen 1912a: 124-125 (D, L, N, P), 132 & 135 (K); 1912b: 310 (F, L). DISTRIBUTION. ARGENTINA: CA; ME; ST- Rio Carapari; TU. BRAZIL: SC- Blumenau; SP- Barbacena, Campinas, Jundiaí. Schrottky (1913a: 169) considered M. catamarcensis to be more typical of the Andean foothills. FLOWERS. Acacia furcata, Caesalpinia praecox, Circium lanceolatum, Convolvulus arvensis, Cuscuta racemosa, Cynara cordunculus, Hoffmannseggia, Hyalis argentea, Marrubium vulgare, Prosopis alpataco, P. campestris, P. strombulifera, Psoralea higuerilla, Senecio mendocinus and Sphaeralcea bonariensis. LIFE HISTORY. Adults fly mid October to end of March. NESTING. Nests in bamboo canes and abandoned nests of Centris in old walls. The cell is 10mm long and 8mm wide. It is built of mud, lined with leaves and closed with mud. Leaves cut from Delphinium, Gladiolus, Papaver, rose and Malvaceae. PREDATOR. Coelioxys inconspicua.
* 13. Megachile (Chrysosarus) collaris Friese Megachile gomphrenae var. collaris Friese 1908a: 65. Male. Type locality: Mendoza [Argentina]. Type repository: Unknown. Megachile guaranitica var collaris : Jörgensen 1909: 213. Megachile (Chrysosarus) collaris : Mitchell 1943b: 666. ADDITIONAL REFERENCE. Jörgensen 1909: 213-214 (D, F, L, N, P). DISTRIBUTION. ARGENTINA: ME- Chacras de Coria, Pedregal, Potrerillos. PARAGUAY: Villa Morra. FLOWERS. Acacia furcata, Caesalpinia praecox, Circium lanceolatum, Convolvulus arvensis, Cuscuta racemosa, Hoffmannseggia, Hyalis argentea, Prosopis alpataco, P. campestris, P. strombulifera, Psoralea higuerilla, Senecio mendocinus and Sphaeralcea bonariensis. LIFE HISTORY. Adults fly from November to March. NESTING. Nests in cane thatch of houses and in abandoned cells of Centris in old walls. The cell is 10mm long and 8mm wide. It is built of mud, lined with leaves and closed with mud. Leaves cut from Delphinium, Gladiolus, Papaver, rose and Malvaceae. PREDATOR. Coelioxys inconspicua.
* 14. Megachile (Chrysosarus) compacta Smith Megachile compacta Smith 1879: 72. Female. Type locality: Santarém [Brazil]. Type repository: NHML 17a2442. Examined. (Not M. compacta Pérez 1895. Type locality: Unknown. ) Megachile (Chrysosarus) compacta : Raw 2002 # 7: 9. ADDITIONAL REFERENCE. Alfken 1933: 305 (D). DISTRIBUTION. BRAZIL: PA -Santarém.
* 15. Megachile (Chrysosarus) conferta Mitchell Megachile conferta Mitchell 1930: 292-293. Male. Type locality: Puno, Peru. Type repository: MCZ 16207. Examined. Megachile (Chrysosarus) conferta : Raw 2002 # 7: 10. DISTRIBUTION. PERU: PUNO.
* 16. Megachile (Chrysosarus) congruata Mitchell Megachile congruens Mitchell 1930: 248-249. Male. Type locality: Pedra Branca, Brazil, April (H. H. Smith). Type repository: ANSP 4150. Examined. Megachile (Chrysosarus) congruata : Mitchell 1943b: 666. New name (Not M. congruens Friese 1903: 284. Ethiopia. [= Chalicodoma (Pseudomegachile) congruens (Pasteels 1965: 394.)] Megachile (Chrysosarus) congruens : Silveira et al 2002: 212 (D). DISTRIBUTION. BRAZIL: Uacarizal, MS- Corumbá, Pedra Branca; MT.
* 17. Megachile (Chrysosarus) conjugalis Mitchell Megachile conjugalis Mitchell 1930: 258. Female. Type locality: San Alberto, Rio Branco, Amazonas [Brazil]. Type repository: Meyer. Megachile (Chrysosarus) conjugalis : Raw 2002 # 7: 10. DISTRIBUTION. BRAZIL: AM.
* 18. Megachile (Chrysosarus) contempta Mitchell Megachile contemptus Mitchell 1930: 259. Female. Type locality: Buenavista, Bolivia ? Type repository: Meyer. Megachile contempta Moure 1943: 175. (Emendation.) Megachile (Chrysosarus) contemptus : Mitchell 1943b: 666. Megachile (Chrysosarus) contempta : Michener 1954: 102 (D, L). DISTRIBUTION. BOLIVIA: Buenavista. COLOMBIA: Magdalena- Rio Frio. PANAMA: Barro Colorado; Pueblo Nuevo. LIFE HISTORY. Adults fly in February & March.
* 19. Megachile (Chrysosarus) ctenophora Holmberg Megachile ctenophora Holmberg 1886: 144. Male. Type locality: Tandil, Prov. Buenos Aires, Argentina. Type repository: Unknown. Megachile (Chrysosarus) ctenophora : Raw 2002 # 7: 10. ADDITIONAL REFERENCES. Friese 1908a: 63 (K), 68 (D, T); Jörgensen 1909: 224 (L, N, P); 1912a:126 (N), 128 (D, F, L, T), 133 & 135 (K); 1912b: 311 (F, L); Schrottky 1913b: 247 (D). DISTRIBUTION. ARGENTINA: BA; CA- Andalgala, Belem, Colpes, Joyango; ME; TU. URUGUAY. FLOWERS. Bulnesia retama, Calendula officinalis, Gourliacea decorticans, Hoffmannseggia falcata, Larrea tridentata, Marrubium vulgare, prosopis alba, Senecio pinnatus, Verbesina octantha. LIFE HISTORY. Adults fly October to January. NESTING. Nests in galls on Duvana dependens. PREDATORS. Coelioxys inconspicuum, C. laudabilis.
* 20. Megachile (Chrysosarus) diversa Mitchell Megachile diversa Mitchell 1930: 261-262. Female. Type locality: Chapada [dos Guimarães, MT], Brazil, April (H. H. Smith). Type repository: ANSP 4127. Examined. Megachile gomphrenae var. rufula Friese 1908a: 64-65. not indicated. Type locality: Blumenau [Brazil]. Type repository: Unknown. Synonymy of Moure 1943: 180-181 (D). Jörgensen (1912a: 124) considered this to be a variety of M. guaranitica Schrottky. Megachile (Chrysosarus) diversa : Mitchell 1943b: 666. ADDITIONAL REFERENCE. Silveira et al 2002: 212 (D). DISTRIBUTION. BRAZIL: MS; MT- Bodoquena, Chapada dos Guimarães, Salobra; PR- Artaza, Guayra, Porto Majoli; SC- Blumenau; SP- Batatais. PARAGUAY: Puerto Bertoni.
* 21. Megachile (Chrysosarus) expleta Mitchell Megachile expleta Mitchell 1930: 252-253. Male. Type locality: Tapyta, Paraguay. Type repository: Meyer. Megachile (Chrysosarus) expleta : Raw 2002 # 7: 10. DISTRIBUTION. PARAGUAY.
* 22. Megachile (Chrysosarus) fastidiosa Mitchell Megachile fastidiosa Mitchell 1930: 179-180. Female. Type locality: Buenavista, Bolivia. Type repository: Meyer. Megachile (Chrysosarus) fastidiosa : Raw 2002 # 7: 10. DISTRIBUTION. BOLIVIA.
* 23. Megachile (Chrysosarus) guaranitica Schrottky Megachile guaranitica Schrottky 1908: 236-237. Female. Type locality: Puerto Bertoni, Paraguay. Type repository: MZSP. Megachile guaranitica uruguayensis Schrottky 1908: 237. Female. Type locality: Uruguay. Type repository: Unknown. Synonymy of Unknown. Megachile gomphrenae var. ferrugineipes : Friese 1908a: 65. Male. Type locality: Jundiahy [Brazil]. Type repository: Unknown. Synonymy of Schrottky 1913a: 168. Megachile marcida Vachal 1908: 229-230. Female. Type locality: Mendoza/ Buenos Aires [Argentina]. (Date 15 November, but locality is not cited on type specimen.) Type repository: MNHN. Examined. Missing apical segment of left hind tarsis. Synonymy of Raw 2002: 10. Megachile guaranitica ferrugineipes : Schrottky 1909b: 268. Megachile (Chrysosarus) guaranitica : Mitchell 1943b: 664. Megachile (Chrysosarus) guaranitica : Raw 2002 # 7: 10. Schrottky (1913a: 168) considered M. (Chrysosarus) catamarcensis Schrottky, M. gomphrenae Friese and M. gomphrenae var. collaris Friese to be synonyms of M. guaranitica. M. guaranitica is a very variable species or species group. Friese (1908a) separated several species and varieties, whereas Schrottky (1913a) synonymized them. ADDITIONAL REFERENCES. Schrottky 1913a: 140, 142, 146 & 150 (K); 1913b: 247 (D), 251 (P); Moure 1943: 181 (D); Silveira et al 2002: 212 (D). DISTRIBUTION. ARGENTINA: MI. BRAZIL: AM- Manaus; MS; PR- Guaira, Majoli; RS. PARAGUAY. URUGUAY. PREDATOR. Coelioxys inconspicua.
* 24. Megachile (Chrysosarus) impudens Mitchell Megachile impudens Mitchell 1930: 288-289. Female. Type locality: Cordova, Argentina (Davis). Type repository: MCZ 16204. Examined. Megachile (Chrysosarus) impudens : Raw 2002 # 7: 10. DISTRIBUTION. ARGENTINA: BA- Sierra de la Ventana; CD.
* 25. Megachile (Chrysosarus) infima Vachal Megachile infima Vachal 1908: 238-239. Female and male. Type locality: Mendoza [Argentina]. Type repository: MNHN. Examined. Megachile (Chrysosarus) infima : Raw 2002 # 7: 10. DISTRIBUTION. ARGENTINA: ME.
* 26. Megachile (Chrysosarus) infinita Mitchell Megachile infinita Mitchell 1930: 204-205. Male. Type locality: Chapada [dos Guimarães, MT], Brazil, October (H. H. Smith). Type repository: ANSP 4134. Examined. Megachile (Chrysosarus) infinita : Raw 2002 # 7: 10. DISTRIBUTION. BRAZIL: MT.
* 27. Megachile (Chrysosarus) ivonensis Cockerell Megachile ivonensis Cockerell 1927a: 15-16. Female. Type locality: Ivon, Beni, Bolivia, February (W. M. Mann). Type repository: USNM 29085. Examined. Megachile (Chrysosarus) ivonensis : Mitchell 1943b: 666. ADDITIONAL REFERENCES. Cockerell 1927a: 13 (K); Mitchell 1930: 256 (D). MZSP; ROUBIK. DISTRIBUTION. BOLIVIA: Beni, Santa Cruz- Buenavista; Cavinas and Blancaflor. BRAZIL: RO, Suruí, Vila Rondônia (MZSP). COLOMBIA. LIFE HISTORY. Adults fly in January and February.
* 28. Megachile (Chrysosarus) jenseni Friese Megachile jenseni Friese 1906: 95. Sex not undicated. Type locality: Ch. de Coria, Mendoza, Argentina. Type repository: NMW. Megachile (Dactylomegachile) jenseni : Mitchell 1943b: 671. Hedicke (1933: 43) suggested this species is a synonym of M. (Dactylomegachile) vagata Vachal. Megachile (Chrysosarus) jenseni : Raw 2002 # 7: 11. ADDITIONAL REFERENCES. Friese 1908a: 63-68 (D, K), 65 (F, R-M), 68 (T); 1912: 364 (D); Jensen-Haarup 1908: 105 (D, F); Jörgensen 1909: 214 (D, F, L); 1912a: 127 (F, L), 132-135 (K); 1912b: 310-311 (F, L); Vachal 1909: 12 (K). DISTRIBUTION. ARGENTINA: ME- Chacras de Coria, Pedregal; Santa Rosa; NE. FLOWERS. Circium lanceolatum, Clematis hilarii, Cynara cardunculus, Delphinium, Hoffmannseggia falcaria/ falcata, Lycium argentinum, Senecio mendocinus, S. pinnatus, Taraxacum officinale. LIFE HISTORY. Adults fly early October to mid June. NESTING. Nests in bamboo canes and abandoned nests of Centris in old walls. The cell is 10mm long and 8mm wide. It is built of mud, lined with leaves and closed with mud. Leaves cut from Delphinium, Gladiolus, Papaver, rose and Malvaceae. PREDATOR. Coelioxys inconspicua.
* 29. Megachile (Chrysosarus) levilimba Vachal Megachile levilimba Vachal 1908: 241. Female. Type locality: Goyaz, Brazil. Type repository: MNHN. Examined. Megachile (Chrysosarus) levilimba : Raw 2002 # 7: 11. DISTRIBUTION. BRAZIL: GO.
* 30. Megachile (Chrysosarus) lingulata Vachal Megachile lingulata Vachal 1908: 230. Female. Type locality: Mapirí, Bolivia. Type repository: MNHN. Examined. Megachile (Chrysosarus) lingulata : Raw 2002 # 7: 11. DISTRIBUTION. BOLIVIA: Mapirí.
* 31. Megachile (Chrysosarus) melanopyga Schrottky Megachile guaranitica forma melanopyga Schrottky 1908: 237. Female. Type locality: Puerto Bertoni, Paraguay. Type repository: MZSP ? Synonymy of Schrottky ? (Not M. (Megachile) melanopyga Costa 1863: 45. Central Europe. [= M. hymenaea]. Synonymy of Dalla Torre 1896: 439.) (Not M. melanopyga Cockerell 1909: 304-305 Type locality: Lee County, Texas. (Not cited by Hurd 1979). Megachile (Chrysosarus) melanopyga : Silveira et al 2002: 212 (D). DISTRIBUTION. BRAZIL: AM; MG; PR.
* 32. Megachile (Chrysosarus) nigella Vachal Megachile nigella Vachal 1908: 223-224. Female. Type locality: Mendoza [Argentina]. Type repository: MNHN. Examined. Megachile (Chrysosarus) nigella : Raw 2002 # 7: 11. DISTRIBUTION. ARGENTINA: ME.
* 33. Megachile (Chrysosarus) opifex Smith Megachile opifex Smith 1879: 71. Female. Type locality: São Paulo [de Olivença], Amazons [Brazil]. Type repository: NHML 17a2446. Examined. Megachile (Chrysosarus) opifex : Raw 2002 # 7: 11. DISTRIBUTION. BRAZIL: AM.
* 34. Megachile (Chrysosarus) pamperella Vachal Megachile pamperella Vachal 1908: 239. Female and male. Female designated here as lectotype. Type locality: Valley Parana, Argentina. Type repository: MNHN. Examined. Megachile (Chrysosarus) pamperella : Raw 2002 # 7: 11. DISTRIBUTION. ARGENTINA.
* 35. Megachile (Chrysosarus) parsonsiae Schrottky Megachile parsonsiae Schrottky 1913a: 197. Female not indiacted. Type locality: Argentina, Misiones/ Paraguay, Villa Encarnación ? Type repository: MZSP ? A male of Sayapis at MZSP is labelled “cotipo” and “Megachile parsonsiae” in Schrottky’s hand. Megachile (Dactylomegachile) parsonsiae Mitchell 1943b: 670. Silveira et al 2002: 212 (D). Megachile (Chrysosarus) parsonsiae : Michener 2000: 553. ADDITIONAL REFERENCES. Friese 1908a: 63 (K), 65 (L, R-M); Jörgensen 1909: 214 (D, L, F); 1912a: 128 (D, F, L), 133 & 134 (K as M. simillima Smith mis-determinations). Cockerell 1914b: 428. DISTRIBUTION. ARGENTINA: CA- Andalgala; ER; ME- Pedregal; MI. BRAZIL: RS; SP. PARAGUAY. FLOWERS. Bidens leucantha, Clematis hilarii, Grindelia pulchella, Hoffmannseggia, Hyalis argentea, Parsonsia mesostemon, Sphaeralcea bonariensis, Xinemedia microptera. LIFE HISTORY. Adults fly early October to March.
* 36. Megachile (Chrysosarus) perspicua Mitchell Megachile perspicua Mitchell 1930: 289-290. Female. Type locality: Cordova, Argentina. Type repository: MCZ 16203. Examined. Megachile (Chrysosarus) perspicua : Raw 2002 # 7: 11. DISTRIBUTION. ARGENTINA: CD.
* 37. Megachile (Chrysosarus) pseudanthidioides Moure Megachile pseudanthidioides Moure 1943: 183-186. Female. Type locality: Montenegro, Rio Grande do Sul, Brazil. Type repository: UFPR. Megachile (Chrysosarus) pseudanthidioides : Raw 2002 # 7: 11. ADDITIONAL REFERENCES. Cure et al 1992: 231 (D); Silveira et al 2002: 212 (D). DISTRIBUTION. BRAZIL: MG- Viçosa; PR- Curitiba; RS- Montenegro; SP- Batatais (860 m), Jundiaí, Rio Claro.
* 38. Megachile (Chrysosarus) remigata Vachal Megachile remigata Vachal 1908: 227. Female. Type locality: Urubamba (3000 m), Peru. Type repository: MNHN. Examined. Right mandible glued. Right antenna glued to right orbit. Megachile (Chrysosarus) remigata : Raw 2002 # 7: 11. DISTRIBUTION. PERU: Urubamba; CUSCO (Ras).
* 39. Megachile (Chrysosarus) riojanensis Mitchell Megachile riojanensis Mitchell 1930: 302. Female. Type locality: La Rioja, Argentina. Type repository: MCZ 16208. Examined. Megachile (Chrysosarus) riojanensis : Raw 2002 # 7: 11. DISTRIBUTION. ARGENTINA: LR.
* 40. Megachile (Chrysosarus) rubriventris Smith Megachile rubriventris Smith 1879: 75. Female. Type locality: Santarém [Brazil]. Type repository: NHML 17a2438. Examined. Megachile (Chrysosarus) rubriventris : Raw 2002 # 7: 11. ADDITIONAL REFERENCE. Cockerell 1905: 340 (K). DISTRIBUTION. BRAZIL: PA -Santarém.
* 41. Megachile (Chrysosarus) ruficornis Smith Megachile ruficornis Smith 1853: 188. Female. Type locality: Brazil. Type repository: NHML 17a2435. Examined. Megachile (Chrysosarus) ruficornis : Raw 2002 # 7: 12. ADDITIONAL REFERENCE. Alfken 1930: 11 (D) [doubtful identification]. DISTRIBUTION. BRAZIL: AM- Taracuá.
* 42. Megachile (Chrysosarus) rufiplantis Vachal Megachile rufiplantis Vachal 1904: 12. Female. Type locality: Lara [Tucuman, Argentina]. Type repository: MNHN. Examined. Type worn. Megachile (Chrysosarus) rufiplantis : Raw 2002 # 7: 12. DISTRIBUTION. ARGENTINA: TU.
* 43. Megachile (Chrysosarus) tapytensis Mitchell Megachile tapytensis Mitchell 1928: 335-337. Male. Type locality: Tapyta, Paraguay, 25 November. Type repository: Unknown. Megachile (Chrysosarus) tapytensis : Mitchell 1943b: 666. ADDITIONAL REFERENCE. Moure 1943: 183 (D). DISTRIBUTION. BRAZIL: PR- Paranaí. PARAGUAY: Tapyta, Villarrica. MORPHOLOGY. Intersex.
* 44. Megachile (Chrysosarus) trochantina Vachal Megachile trochantina Vachal 1909: 14. Male. Type locality: Mendoza [Argentina]. Type repository: Vachal collection, MNHN. Megachile (Chrysosarus) trochantina : Raw 2002 # 7: 12. ADDITIONAL REFERENCE. Jörgensen 1912a: 132 (D), 135 (K). DISTRIBUTION. ARGENTINA: ME.
* 45. Megachile (Chrysosarus) trucis Mitchell Megachile trucis Mitchell 1930: 251-252. Male. Type locality: Villarrica, Paraguay. Type repository: Meyer. Megachile (Chrysosarus) trucis : Raw 2002 # 7: 12. DISTRIBUTION. PARAGUAY.
* 46. Megachile (Chrysosarus) tuberculifera Schrottky Megachile tuberculifera Schrottky 1913a: 188. Female. Type locality: Campos de Jordão, São Paulo, Brazil, 2 March 1906. Type repository: MZSP. Examined. Megachile (Chrysosarus) tuberculifera : Raw 2002 # 7: 12. Megachile (Dactylomegachile) tuberculifera : Silveira et al 2002: 212 (D). Megachile (Prionepist.) tuberculifera : Viana and Alves Santos 2002: 12 (D). Prionepistoma is a nomem nudum (Silveira et al 2002. 204). DISTRIBUTION. BRAZIL: MG- Serra Caraçá (1380 m) (MZSP); RS; SP- Campos de Jordão.
* 47. Megachile (Chrysosarus) turpis Mitchell Megachile turpis Mitchell 1930: 253-254. Male. Type locality: Buenavista, Bolivia. Type repository: Meyer. Megachile (Chrysosarus) turpis : Mitchell 1943b: 666. DISTRIBUTION. BOLIVIA.
* 48. Megachile (Chrysosarus) vagata Vachal Megachile vagata Vachal 1908: 228-229. Female & male. Type locality: Mendoza [Argentina]. Type repository: Vachal Collection, MNHN. Megachile (Dactylomegachile) vagata : Mitchell 1943b: 671. Megachile (Chrysosarus) vagata : Raw 2002 # 7: 12. Hedicke (1933: 43) suggested M. jenseni Friese is a synonym of this species. ADDITIONAL REFERENCES. Vachal 1909: 12 (K); Jörgensen 1912a: 131 (T), 133 & 135 (K); Cockerell 1914b: 427 (T). DISTRIBUTION. ARGENTINA: BA; CA- Andalgala; LR; ME. FLOWERS. Verbesina octantha.
* 49. Megachile (Chrysosarus) varipes Vachal Megachile varipes Vachal 1908: 232. Female. Type locality: Urubamba, Peru. Type repository: MNHN. Examined. Type missing left hind tíbia and tarsi. Megachile (Chrysosarus) varipes : Raw 2002 # 7: 12. DISTRIBUTION. PERU: Urubamba; CUSCO (Ras].
* 50. Megachile (Chrysosarus) vestis Mitchell Megachile vestis Mitchell 1930: 262. Female. Type locality: Chapada [dos Guimarães, MT] Brazil, April (H. H. Smith). Type repository: ANSP 4128. Examined. Megachile (Chrysosarus) vestis : Cockerell 1949: 450 (D). ADDITIONAL REFERENCE. Moure 1943: 175 (D, R-F). DISTRIBUTION. BRAZIL: MT- Chapada dos Guimarães; SP- Batatais. HONDURAS: Zamorano Agua Amarilla.
* 51. Megachile (Chrysosarus) vetula Vachal Megachile vetula Vachal 1904: 12. Female. Type locality: Lara [Tucuman, Argentina]. Type repository: MNHN. Examined. Type with right mandible glued to head and left antenna and right flagellum glued to label. Clypeus broken. Megachile (Chrysosarus) vetula : Raw 2002 # 7: 12. DISTRIBUTION. ARGENTINA: TU.
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