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Upcoming Events

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

National Moth Week was July 23-31, 2022! See moth submissions.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

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

Photos of 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

Previous events


Genus Arge

UNKNOWN CATERPILLAR - YELLOW W BLACK SPOTS - Arge sawfly - Arge coccinea Sawfly larvae feeding on red oak - Arge Sawfly - Arge macleayi - female argid sawfly - Arge Caterpillar - Arge Arge tumsua - female Arge
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 R1 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)