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Upcoming Events

National Moth Week photos of insects and people. Here's how to add your images.

Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa


Genus Arge

Argid Sawfly - Arge humeralis Larva on rose bush - Arge ochropus sawfly - Arge humeralis Which *sawfly* is this, please? - Arge humeralis Arge ochropus - Rose Sawfly - Arge ochropus Arge ? - Arge Argidae, Poison Ivy Sawfly, lateral - Arge humeralis Unknown - Arge ochropus
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)
Genus Arge
Synonyms and other taxonomic changes
revision in(1)
Explanation of Names
Arge Schrank 1802
10 spp. in our area(2), >200 spp. worldwide(1)
adults up to 14 mm(1)
Forewing and hindwing with cell Rt closed at apex

Middle and hind tibiae with preapical spines

3rd antennal segment of male simple
holarctic (to Colombia) & Afrotropical(1)
spring to mid-summer(1)
Larvae feed on foliage of various shrubs and trees. Host data compiled from various sources:
A. clavicornus -- Shadbush, Amelanchier
A. coccinea -- Sumac, Rhus
A. humeralis -- Poison Ivy, Toxicodendron radicans
A. pectoralis -- Hazelnut, Corylus, Birch, Betula
A. scapularis -- Elm, Ulmus
our only representative of the subfam. Arginae which contains a total of 18 genera(3)