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Family Aradidae - Flat Bugs

flat bug (Aradid) - Aneurus fiskei Flat bug - Neuroctenus Mama Flat Bark Bug - Aradus debilis - female Flat Bug - Aradus acutus Flat Bug - Aradus lugubris Aradidae, Flat Bug, dorsal - Aradus crenatus flat bug - Aneurus fiskei Aneurus inconstans (?)
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hemiptera (True Bugs, Cicadas, Hoppers, Aphids and Allies)
Suborder Heteroptera (True Bugs)
Infraorder Pentatomomorpha
Family Aradidae (Flat Bugs)
Numbers
127 spp. (of which 84 Aradus spp.) in 12 genera in our area, arranged in 5 subfamilies(1)(2); >1900 spp. in 230 genera of 8 subfamilies worldwide(3)
Overview of our fauna (* –taxa not yet in the guide)
Family ARADIDAE
Subfamily Aradinae Aradus · Quilnus
Size
3-11 mm
Identification
Oval and very flat bugs found under or on bark. Abdomen extends beyond wings. Antennae and beak have four segments. Lack ocelli.
Key to genera and the commonest (mostly ne.) species is provided in (4); to spp. of Canadian fauna, in(5); to Florida species, by Whelan et al.
Many nw. species imaged at(6)
Range
worldwide; most diverse in Australia(3)
Habitat
mostly under bark, on fallen logs & tree limbs, bracket fungi
Food
mycelia or fruiting bodies of wood-rotting fungi(3)
Life Cycle
many bark-dwelling spp. are gregarious(3)
Remarks
these bugs lack the straight piercing/sucking mouthparts, and instead the mouthparts are "stored" inside the head in a coiled fashion.
Print References
Kormilev, N.A. and R.C. Froeschner. 1987. Flat Bugs of the World. A synonymic List (Heteroptera: Aradidae). Entomography 5: 1-246.(2)
Works Cited
1.State records, confirmations, and habitats of Aradidae (Hemiptera: Heteroptera) from Louisiana, U.S.A.
S.J. Taylor & S.A. Gil. 2009. Florida Entomologist 92(2): 199-207.
2.Taylor S. (2002-2011) Aradidae (Flatbugs)
3.Zoological catalogue of Australia: Hemiptera: Heteroptera (Pentatomomorpha)
Cassis G., Gross G.F. 2002. CSIRO Publishing, 751 pp.
4.How to Know the True Bugs
Slater, James A., and Baranowski, Richard M. 1978. Wm. C. Brown Company.
5.The Aradidae of Canada (Hemiptera: Aradidae)
Matsuda R. 1977. The insects and arachnids of Canada, Pt. 3. Ottawa: Agriculture Canada. 116 pp.
6.Photo gallery of the Spencer Entomological Collection