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Family Cimbicidae - Cimbicid Sawflies

unknown caterpillar on willow - Cimbex americanus ID help please - Cimbex americanus - male Cimbex americana - Cimbex americanus Abia (sawfly) larvae - Abia americana Swab-antennaed hymenopteran - Cimbex americanus Cimbicidae - Cimbicid Sawflies Genus Abia - Abia Unknown Hymenoptera - Trichiosoma triangulum Abia in building - Abia
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon ("Symphyta" - Sawflies, Horntails, and Wood Wasps)
Family Cimbicidae (Cimbicid Sawflies)
Explanation of Names
Cimbicidae Kirby 1837
Numbers
12 spp. in 4 genera in our area(1), >200 spp. in 22 genera worldwide(2)
Size
15-25 mm
Identification
Adults robust, resemble bumble bees. Base of abdomen broadly joined to thorax (no wasp waist). Antennae have seven or fewer segments, slightly clubbed.
Larvae eruciform (caterpillar-shaped, i.e., cylindrical, with well-developed head and legs).
Food
Larvae typically feed on foliage of trees and shrubs; hosts include: Cimbex --Elm (Ulmus), Zaraea --Honeysuckle (Lonicera), Trichiosoma --Cherry (Prunus)