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Four bee families (Andrenidae, Colletidae, Halictidae, and Apidae) contain some species that are crepuscular. Most are tropical or subtropical, but some live in arid regions at higher latitudes. These bees have greatly enlarged ocelli, which are extremely sensitive to light and dark, though incapable of forming images. Some have refracting ...
The genus Megachile is a cosmopolitan group of solitary bees, often called leafcutter bees or leafcutting bees; it also includes the called resin bees and mortar bees. While other genera within the family Megachilidae may chew leaves or petals into fragments to build their nests, certain species within Megachile neatly cut pieces of leaves or ...
It is much bigger than most other leafcutting bees. The body is cylindrical, jaws are large and wings are transparent, with a brown color that darkens toward the tips. Head and abdomen are mainly black, the abdomen is rather shiny and without hairs, while thorax is covered with dense yellowish-brown pubescence.
Wax foundation has some advantages over letting bees build their own comb: It provides a guide for bees to build straight comb. Without foundation, the beekeeper runs the risk of having comb built outside the Hive frame when they start, preventing its easy removal for inspection.
Megachile rotundata, the alfalfa leafcutting bee, [1] is a European bee that has been introduced to various regions around the world. As a solitary bee species, it does not build colonies or store honey , but is a very efficient pollinator of alfalfa , carrots , other vegetables, and some fruits.
A leaf-cutter bee showing abdominal scopa. Megachilidae is a cosmopolitan family of mostly solitary bees.Characteristic traits of this family are the restriction of their pollen-carrying structure (called a scopa) to the ventral surface of the abdomen (rather than mostly or exclusively on the hind legs as in other bee families), and their typically elongated labrum. [1]
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Anthophora bimaculata are 8–9 mm long. The male has narrow light tergite bandages, yellow face and normally hairy middle legs clearly visible in the field. The females are Clypeus yellow, but at the base with 2 large black spots, tergite 4 and 5 gray-yellow tomentose hairs, tergias with light hair ties in the field clearly recognizable.