Superfamily APOIDEA 2157 



Genus GAESISCHIA Subgenus GAESISCHIA Michener, LaBerge and Moure 



Gaesischia Michener, LaBerge and Moure, 1955. Dusenia 6: 220. 



Type-species: Svastra fulgurans Holmberg. Orig. desig. 

 Gaesischia Subgenus Prodasynhalonia LaBerge, 1958. Pan-Pacific Ent. 34: 199. 



Type-species: Gaesischia mexicana LaBerge. Monotypic and orig. desig. 



The typical subgenus occurs south of the United States. 



Genus GAESISCHIA Subgenus GAESISCHIANA Michener, LaBerge and Moure 



Gaesischia subg. Gaesischiana Michener, LaBerge and Moure, 1955. Dusenia 6: 224. 



Type-species: Gaesischia (Gaesischiana) exul Michener, LaBerge and Moure. Orig. 

 desig. 

 Gaesischia subg. Agaesischia Moure and Michener, 1955. Dusenia 6: 273. 

 Type-species: Eucera patellicomis Ducke. Orig. desig. 

 exul Michener, LaBerge and Moure. Ariz, to Colombia. Pollen: Polylectic, visits flowers of 



Andira ijiemiis, Caesalpinia eriostachys, Dalbergia rehisa, Myrospermum fructescens, 

 Parkinsonia aculeata, Piscidia carthagenensis, Pterocarpus rohrii. 

 Gaesischia (Gaesischiana) exul Michener, LaBerge and Moure, 1955. Dusenia 6: 224. <J. 



Taxonomy: LaBerge, 1958. Pan-Pacific Ent. 34: 198. 9 . 



Biology: Frankie and Baker, 1974. An. Inst. Nac. Univ. Auton. Mexico 45, ser. Botanica 1: 

 4-5, 1 fig., 1 table (group foraging). —Jones and Buchmann, 1974. Anim. Behaviour 22: 483, 

 tables 1, 2 (u. v. floral patterns as orientation cues). —Frankie, Opler and Bawa, 1976. 

 Jour. Ecol. 64: 1049-1057, 1 fig., 4 tables (foraging behavior). 



Genus SIMANTHEDON Zavortink 



Simanthedon Zavortink, 1975. Calif. Acad. Sci., Proc. 40: 232. 



Type-species: Simanthedon linsleyi Zavortink. Monotypic and orig. desig. 

 linsleyi Zavortink. Southeastern Ariz. (Cochise Co.), N. Mex. (Eddy Co.); Mexico (Durango). 

 Pollen: Polylectic, especially Menodora scabra, Agave palmeri. Datura meteloides, 

 Polygala racemosa, but also visits other flowers for nectar and or pollen including 

 Cevallia sinuata, Conyza, Desmanthus cooleyi, Hoffmanseggia densiflora, Ipomoea 

 hirsutula, Mentzelia pumila. Salvia reflexa, Solanum elaeagnifolium. 

 Simanthedon linsleyi Zavortink, 1975. Calif. Acad. Sci., Proc. 40: 236, 2 figs. 6,9. 



Genus MARTINAPIS Cockerell 



Genus MARTINAPIS Subgenus MARTINAPIS Cockerell 



Another subgenus, Svastropsis Moure and Michener, is found in Argentina. 



Melissodes subg. Martinella Cockerell, 1903. Ann. and Mag. Nat. Hist. (7) 12: 450. Preocc. 



Type-species: Melissodes Inteicomis Cockerell. Monotypic. 

 Martinapis Cockerell, 1929. Entomologist 62: 19. N. name. 



Revision: Zavortink and LaBerge, 1976. Wasmann Jour. Biol. 34: 119-145, 2 figs., 3 tables 

 (included spp.). 

 luteicornis (Cockerell). Kans. (Dodge City), west. Tex., N. Mex. and east. Ariz. (Cochise and 

 Graham Counties); Mexico (Chihuahua and Durango). Pollen: Polylectic, seems to prefer 

 to visit plants in the families Leguminosae and Zygophyllaceae for pollen and nectar 

 including Dalea, Hoffmanseggia, Larrea, and Petalostemon, although a female has been 

 recorded collecting pollen from Solanum elaeagnifolium; visitation records include 

 flowers of Acacia, Andropus camosus, Baileya multiradiata, Cevallia siiiuata, 

 Chilopsis linearis, Chrysothamnus, Dalea lanata, D. scoparia, D. tenninalis. Datura 

 inoxia, Fallugia paradoxa, Gaura suffulta, Hoffmanseggia glauca, Larrea tridentata, 

 Lygodesmia pincea, Melilotus alba, Mentzelia multiflora, Petalostemon, Prosopis 

 glandulosa var. torreyanum, Solidago occidentalis, Tribulus, Verbesijia encelioides, 

 Xanthisma texanum. 

 Melissodes luteicornis Cockerell, 1896. Ann. and Mag. Nat. Hist. (6) 18: 293. 6. 



