Nomada obtusifrons
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Nomada obtusifrons |
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| Nylander , 1848 |
Nomada obtusifrons is a bee from the family of Apidae .
features
The bees are five to seven millimeters long. The head and thorax of the females are black and drawn in red. The latter sometimes also has small yellowish spots. The tergites are red. Some of them are heavily darkened, others have white-yellow spots. The labrum is black and has a small tooth. Characteristic of the species is the flattened bulge between the antennae, which in similar species is designed as an angular forehead keel. The scutellum is black and has clear humps. The rails ( tibia ) of the hind legs are blunt at the end and have four or five thick, short, small thorns. The males are similar to the females, but their mandibles and the front edge of the forehead plate are yellow. The rear tibia have two to three small thorns.
Occurrence and way of life
The species is common in Central, Northern and Eastern Europe. The animals fly from early July to early August. They parasitize Andrena coitana , and maybe Andrena tarsata as well .
supporting documents
Felix Amiet, M. Herrmann, A. Müller, R. Neumeyer: Fauna Helvetica 20: Apidae 5 . Center Suisse de Cartographie de la Faune, 2007, ISBN 978-2-88414-032-4 .
