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Svastra cressonii (Dalla Torre, 1896)
Life   Insecta   Hymenoptera   Apoidea   Apidae   Svastra


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Overview
Reprinted from: LaBerge, W.E. NOTES ON THE NORTH AND CENTRAL AMERICAN BEES OF THE GENUS SV ASTRA HOLMBERG (Hymenoptera: Apidae). Journal of the Kansas Entomological Society Vol. 31, October, 1958, No. 4

A single male of this species, collected in Hamburg, Iowa, July 24, 1956, by Keith L. Rhodebeck, significantly extends the known range to the northeast.

Identification
Extracted from: Melissodes petulciformis Cockerell (1906) Ann. Mag. Nat. Hist. (7)17, p. 364

Appears as Melissodes petulciformis in this excerpt.

Female. – Length about 15 mm. Runs in my tables to M. petulca, Cress., to which it has the closest possible superficial resemblance, but on close examination it is seen to differ as follows :-- Somewhat larger; hair of labrum white (yellow in petulca); fuscous patch on thorax not nearly reaching tegulae (practically reaching tegulae in petulca). Wings not so dark; second submarginal cell hardly more than half size of first (little smaller than first in petulca). Wings not so dark; second submarginal cell hardly more than half size of first (little smaller than first in petulca); first r. n. meeting second t. -e. (entering second s. m. a considerable distance from the end in petulca); b. n. falling some distance short of t. m. (meeting t. -m. in petulca); the apical bands of yellowish-white tomentum on segments 2 to 4 broad and even, not broadened in the middle, the black part of 3 and 4 scarcely wider than the bands, but that on 2 distinctly though not very greatly wider; apical hair not reddened. In Robertson’s table it runs exactly to M. illinoensis, Rob., but it differs from that in having the closely-punctured clypeus without a distinct dark rufo-fuscous, the second s. m. much shorter than the first or third, apical margin of first abdominal segment only very narrowly testaceous. M. petulca has the labrum dull that it is nearer to illinoensis. Someone had labelled the type of M. petulciformis, M. intermedia, but it cannot at all be reconciled with the description of that species Hab. Fedor, Texas (Birkmann).


Names
Scientific source:

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FamilyScientific name @ source (records)
Amaranthaceae  Gossypianthus sp @ BBSL (1)
_  Asteraceae sp @ BBSL (4)

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Updated: 2024-03-28 09:56:07 gmt
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