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Eucera lycii (Cockerell, 1897)
Synhalonia lycii Cockerell, 1897

Life   Insecta   Hymenoptera   Apoidea   Apidae   Eucera
Subgenus: Synhalonia


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Identification
Extracted from: Timberlake P.H., (1969). A Contribution to the Systematics of North America Species of Synhalonia (Hymenoptera, Apoidea). University of California Publications in Entomology Volume 57

Cockerell described lycii from the Mesilla Valley, New Mexico, where it was taken at flowers of Lmium, plum, andjilac. In 1902 he briefly described the male but not enough in detail to distinguish it from similar males with a whitish supra-clypeal mark. I have seen only two females, one from Bngle, determined by Cockerell, and one from Portales.

Female.—Black; small joint of tarsi ferruginous; tibial spurs testaceous. Apical half of tegulae amber, base fuscous. Wings subhyaline, considerably clearer than in most species, nervures ferruginous, subcosta blackish (nervures darker ferruginous in female from Portales). Pubescence moderately dense, pale ochreous, and paler beneath on thorax and on face. Hair of tergite 1 white, moderately long, and erect, with patch of short, dense, appressed hair on each side of apical part of disk. Hair of following segments black. Tergite 2 with broad arcuate band of rather thin, appressed white pubescence, broadly receding from apical margin across the middle, and the black band at base widened at outer ends. Tergite 2 with similar but narrower white band, restricted to apical depression and narrowed at outer ends. (Portales female has thin band obsolete except at outer ends.) Hair of tergite 4 entirely black, or sometimes with narrow apical white band according to Cockerell. Apical band on tergite 5 chocolate or fulvous brown, and hair on each side of tergite 6 black or fulvous brown. Hair of venter fulvous brown, the white bands of tergum extending onto the reflexed ventral part of tergites. Hair of legs pale ochreous, changing to fulvous on hind tibiae and basitarsi, to ferruginous on inner side of tarsi; pale brown on outer side of middle tibiae toward apex and dark brown on front tarsi.

Head distinctly broader than long; inner orbits of eyes parallel. Vertex moderately impressed on each side; lateral ocelli their distance apart from nearest eye and somewhat more than their diameter from occipital margin. Second submarginal cell receiving recurrent nervure less than one-fifth of its length from apex. Clypeus shining with strong, close punctures, which become widely separated, or in definite rows, toward base, and with a broad median impunctate space which narrows to a point on anterior margin. Frons, vertex, and mesonotum moderately shining and densely punctured; punctures of frons and vertex very fine and those of mesonotum some¬what coarser but still much finer than those of clypeus, and becoming only slightly more separated on posterior middle of scutum. Abdomen minutely and densely punctured; apical depression of tergite 1 impunctate and bare except far to each side; apical depression of tergite 2 across its median third broadly bare and impunctate apically but thinly punctured and hairy toward base. Pygidial plate about as long as wide at base, with sides converging to narrowly rounded apex. Length about 14 mm, anterior wing 9.75-10 mm, width of abdomen 5.6 mm.


Names
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FamilyScientific name @ source (records)
Fabaceae  Astragalus sp @ BBSL (1)
_  Withheld @ BBSL (2); BBSL__CAVE (5)

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Updated: 2024-03-28 16:49:59 gmt
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