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

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Family Aradidae - Flat Bugs

Flat Bug - Aradus falleni i puzzeled over where to place this!   - Aradus falleni Aradidae (Mezira?) - Mezira Aradus bird louse - Neuroctenus Mezira - Mezira subsetosa Neuroctenus - Neuroctenus elongatus - female Flat Bug? - Mezira reducta
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)
127 spp. (of which 84 Aradus spp.) in 12 genera in our area, arranged in 5 subfamilies(1)(2); close to 2,000 spp. in 230 genera of 8 subfamilies worldwide(3)
Overview of our fauna (* –taxa not yet in the guide)
Subfamily Aradinae Aradus · Quilnus
3-11 mm
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)
Many nw. species imaged at(6)
worldwide; most diverse in Australia(3)
mostly under bark, on fallen logs & tree limbs, bracket fungi; some smaller forms in leaf litter
mycelia or fruiting bodies of wood-rotting fungi(3)
Life Cycle
many bark-dwelling spp. are gregarious(3)
mouthparts "stored" coiled inside the head
Works Cited
1.State records, confirmations, and habitats of Aradidae (Hemiptera: Heteroptera) from Louisiana, U.S.A.
Taylor S.J., Gil S.A. 2009. Fla. Entomol. 92: 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