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Ashmeadiella neomexicana (Cockerell, 1904)
Chelostoma neomexicanum Cockerell, 1904; Chelostoma neomexicanum

Life   Insecta   Hymenoptera   Apoidea   Megachilidae   Ashmeadiella
Subgenus: Arogochila


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Overview
Species account taken from: "A Revision of the Genus Ashmeadiella (Hymen., Megachilidae) Author(s): Charles D. Michener Source: American Midland Naturalist,Vol. 22, No. 1 (Jul., 1939), pp. 1-84"


Chelostoma Neomexicanum Cockerell, 1904, Can. Ent., 36: 13, 9.


This is a black, rather sparsely pubescent species. It resembles clypeo- dentata but differs by the non-emarginate apex of the median lobe of the clypeus.


Female: Inner margins of eyes diverging toward clypeus; clypeus coarsely, irregularly, and confluently punctured; notches separating median from lateral lobes of clypeus deeper than wide, with sides but slightly diverging apically; lateral lobes of clypeus short, rounded apically; median lobe of clypeus nar- rower basally than subapically, beyond widest part tapering rapidly to rounded apex; median lobe of clypeus with longitudinal dorsal carina; median lobe, seen in profile, with dorsal side at an angle of about 1350 to adjacent disc of clypeus; labrum broad at apex and strongly emarginate; cheeks nearly as wide as eyes, seen from side; vertex closely and rather finely punctate; anterior ocellus posteroir to midpoint between bases of antennae and posterior edge of vertex; distance between posterior ocelli equal to distance to nearest eye margin or to posterior edge of vertex. Scutum without pair of pubescent spots anter- iorly, a little more coarsely and less closely punctate than vertex; mesepisterna with punctures a little smaller and closer than those of scutum. Abdomen more finely punctate than scutum, punctures of anterior tergites dorsally separated by about their diameters; tergites one to five with apical bands of white pubescence. Length 8 mm.


Type: Female; Barela Mesa, New Mexico, in the United States National Museum. Known only from the unique type.

This species has been confused with Formicapis clypeata Sladen, which has been referred to as F. neomexicana (Ckll.) The genus Formicapis, how- ever, is quite distinct from Ashmeadiella (see Michener, 1938, Ent. News, 49:129).


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Updated: 2024-03-28 18:48:21 gmt
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