. Bulletin. Science; Natural history; Natural history. Figs. 30-33. Hylaeus (Gongyloprosopis) spp. 30, posterior view of male scape, H. cnientiis: 31, same, H. orbkiis. 32, frontal view of female head. H. cnieiuiis; 33, same, H. preposlerosiis. white hairs are present on the apical margins of the first and second gastric terga, though worn off in some specimens (including the type). Although Moure (I960) thought that H. cruentiis might prove to be the female of//, orbkiis, the males here associated with the H. cruentiis females are clearly distinct from H. orbkiis. The association is based lar
. Bulletin. Science; Natural history; Natural history. Figs. 30-33. Hylaeus (Gongyloprosopis) spp. 30, posterior view of male scape, H. cnientiis: 31, same, H. orbkiis. 32, frontal view of female head. H. cnieiuiis; 33, same, H. preposlerosiis. white hairs are present on the apical margins of the first and second gastric terga, though worn off in some specimens (including the type). Although Moure (I960) thought that H. cruentiis might prove to be the female of//, orbkiis, the males here associated with the H. cruentiis females are clearly distinct from H. orbkiis. The association is based largely on the similarity in the sculpture of the basal area of the propodeum. These males also differ from those of //. orbiciis in the less swollen scape, the entirely yellow clypeus. and the distinctive genitalic structure. In the males here presumed to be those of H. cruentiis, there is a pecuHar, inner, ventral process arising near the base of the gonocoxite (Fig. 20). This structure is unique among the Neotropical Hylaeus I have studied. The form of. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Southern California Academy of Sciences. Los Angeles, Calif. : The Academy
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