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Perdita munda Timberlake, 1958
Life   Insecta   Hymenoptera   Apoidea   Andrenidae   Perdita
Subgenus: Perdita

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Extracted from: TImberlake P. H., (1958). A Revisional Study of The Bees of the Genus Perdita F. Smith, with Special Reference to the Fauna of the Pacific Coast (Hymenoptera, Apoidea) Part III. University of California Press Berkeley and Los Angeles 1958, Volume 14, No. 5, pp. 303-410, plates 4-15.

This species is similar to accepta, but differs in the yellow markings, larger and more whitish wings, broader foveae, and more obscurely punctured frons.

Female.—Head and thorax dark yellowish green. Mandibles except pale red tips, labrum, clypeus, and lateral marks yellow; dorsal margin of disk of clypeus narrowly black and a black mark on the lateral extensions; lateral marks shaped as in accepta, but separated fromclypeus by a narrow black interval. Supraclypeal area and subantennal plates black, with the green of frons descending on each side as in accepta. Pronotum yellow, with a green band from one flank to the other, very broad on flanks but narrowed to the approximate width of the yellow borders on the disk. Abdomen yellow, with the markings much as in accepta, but the light band on tergite 1 moderately wide, even, and narrowly interrupted medially, and the light band on tergite 2 not narrowed at outer ends. Legs clear yellow, including coxae, with posterior side of middle tibiae and small joints of hind tarsi pale brown, the hind tibiae fuscous, and the hind basitarsi yellow tinged with brown. Antennae fuscous, broadly brownish to brownish yellow beneath, the scape yellow except a large triangular dark mark above. Tegulae yellow at base and hyaline on outer margin. Wings whitish hyaline, the nervures pale yellowish, the subcosta and margins of stigma pale ferruginous.

Head somewhat broader than long. Facial f oveae about as wide as one third of space between eye and adjacent antennal socket. Frons more obscurely punctured than in accepta, but the sculpture otherwise, other structural characters and the pubescence about the same, but the wings distinctly larger. Length, about 5-6 mm.; anterior wing, 4.4r-4.6 mm.

The paratypes differ in having two small, yellow supraclypeal spots. In one the yellow band on tergite 1 is a little wider than in the type, with an abrupt, broad medial extension almost to the base, and the extreme base also yellow; the yellow offset by a large, rounded black mark on each side of the basal declivity, each mark with a narrow extension at its lower end obliquely inward and basad, so that the two prongs meet in the median line, and are then bent backward in the median crease for a considerable distance. In the other paratype from Arizona, the hind tibiae are yellow, and the size larger.

One female (holotype), Blanding, San Juan County, Utah, Sept. 5, 1939 (G. F. Knowlton and F. C. Harmston); 1 female (paratype), Snowville, Boxelder County, Utah, Aug. 3, 1953 (W. G. Firestone); and 1 female (paratype), 5 miles southeast of Springerville, 7,500 feet, Apache County, Arizona, Sept. 15, 1950 (W. Gertscn and M. A. Cazier).

Type in collection of the Citrus Experiment Station, Biverside; paratypes in collection of Utah State Agricultural College, Provo, and the American Museum of Natural History.

Scientific source:

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FamilyScientific name @ source (records)
Asteraceae  Chrysothamnus sp @ BBSL (3)

Chrysothamnus viscidiflorus @ BBSL (1)

Ericameria nauseosa @ BBSL (1)
Polygonaceae  Eriogonum sp @ BBSL (3)
_  Withheld @ BBSL (77)

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Updated: 2023-09-29 21:30:04 gmt
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