Smithsonian Institution, Entomology Department · 9 Ashmeadiella stevensi, female, face |
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Smithsonian Institution, Entomology Department · 9 Ashmeadiella stevensi, female, side |
Smithsonian Institution, Entomology Department · 9 Ashmeadiella stevensi, female, top |
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"
Ashmeadiella stevensi Michener, 1937, Ann. Mag. Nat. Hist., (10)19:405, 9.
This is a. rather large, black species, easily recognized by the rather elongate head, polished and sparsely punctate upper part of clypeus, and the divetgent inner orbits.
Female: Facial line considerably longer than transfacial; inner margins of eyes slightly divergent below; upper two thirds of clypeus shiny, punctures widely separated; anterior part of clypeus dull and closely punctate; supra- clypeal area closely punctate and rather dull; cheeks more finely punctate than mesepisterna; anterior ocellus slightly nearer posterior edge of vertex than antennal bases; scutum without pair of pubescent spots anteriorly; punc- tures of mesepisterna slightly smaller than those of scutum; claw segments of tarsi rufescent; tegulae with reddish spot; wings nearly clear. Punctures of tergites one to three finer than those of scutum, close laterally, fine med- ially; punctures of tergites four to six as large as those of scutum and approxi- mate or nearly so; scopa white. Length 7 mm.
Type: Female; Bowman, North Dakota, in the collection of Prof. 0. A. Stevens, who states that it will be sent to the United States National Museum. The species is known only from the unique type, which was collected on flowers of Opunti
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Updated: 2024-03-29 10:09:22 gmt
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