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Family Argidae - Argid Sawflies

Oak Sawfly larvae - Arge Unknown Bug - Arge - male Sawfly ID? - Arge Neoptilia malvacearum (Cockerell) - Neoptilia malvacearum - male Argidae ? Argidae, ventral - Sphacophilus apios - male Argidae, dorsal - Atomacera debilis - female Argidae
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 Argidae (Argid Sawflies)
Synonyms and other taxonomic changes
revised in(1)
~60 spp. in 12 genera in our area(2)
8-15 mm(2)
Stout bodied, with distinctive antennae: three-segmented, the third segment very long; males of some species have the last antennal segment U-shaped or Y-shaped (2)
NA argid larvae may be separated from other sawfly larvae by the following combination of characters: divergent lobe next to the tarsal claw of each thoracic leg (lobe reduced in Atomacera) • one-segmented antenna which may be flat, rounded, or peglike • abdominal segments 1 to 9 each with 3, sometimes 2, annulets • tarsal claw present on each thoracic leg or at least on meso- & metathoracic legs(3)
Key to genera in (1)
Worldwide, most diverse in the tropics
The larvae feed mainly on foliage of various kinds of ferns, horsetails, gymnosperms and angiosperms, occasionally they feed on the pith of twigs or on catkins.
Print References
descriptions & host associations of several common eastern species in (4)
Internet References