Megachilidae

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Related to Megachilid: leaf-cutting bee, Megachilid bee

Megachilidae

[‚meg·ə′kil·ə‚dē]
(invertebrate zoology)
The leaf-cutting bees, a family of hymenopteran insects in the superfamily Apoidea.

Megachilidae

 

(leaf-cutting bees and their allies), a family of insects of the order Hymenoptera. Unlike other bees, megachilids have a special pollen-collecting apparatus in the form of a dense brush of hairs on the lower abdomen. The females build their nests in the ground or in the hollow stalks of plants. The burrow is lined and partitioned into several cells with oval pieces of leaves, which the bees have cut with their jaws and have joined together with sticky secretions. A supply of food, consisting of a mixture of nectar and pollen, is placed in each cell, and then an egg is laid. Megachilids pollinate many plants. They cause some damage to leaves, however.

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One notable exception was the megachilid bee species Osmia lignaria, which showed a significant preference for oak-dominated habitats in 2010.
The role of frass and cocoon volatiles in host location by Monodontomerus aenms, a parasitoid of Megachilid solitary bees.
Most of the bees collected in this study were megachilids, including Osmia lignaria, a native bee that builds nest partitions from macerated mud (Bosch, 1994); Anthidium maculosum, a small native bee that lines its nest cells with plant trichomes (Alcock et al.
By far the most important visitors were megachilid solitary bees of the same species observed at A.
Megachilid solitary bees in the genera Creightonella, Chalicodoma, and Megachile visited all of the co-flowering Acacia species (Table 6A).
All the Acacia species for which visitation was studied shared three groups of specialist pollen-feeding flower visitors: syrphid flies, calliphorid flies, and megachilid bees.
However, other insects, including megachilid bees, lepidopteran larvae, and grasshoppers damage petals of Erysimum capitatum.