Acrotrichis spp.

Ferro, Michael L., Gimmel, Matthew L., Harms, Kyle E. & Carlton, Christopher E., 2012, Comparison of the Coleoptera communities in leaf litter and rotten wood in Great Smoky Mountains National Park, USA, Insecta Mundi 2012 (259), pp. 1-58 : 18

Acrotrichis spp. ( Fig. 24 )

Range: throughout North America. Habitat: leaf litter, decaying logs, tree holes, fungi, animal dung, under bark, moist decaying organic matter. Collection Method: sifting/Berlese organic material, flight intercept trap. Biology: De Coninck and Coessens (1981) studied Acrotrichis intermedia (Gillmeister) : probably general detritivore, adults live about 150 days and produce ~ 10 eggs each, probably reproduction takes place throughout the year with overlap of generations. Present Study: significantly higher abundance in leaf litter, primary forest, and fall. References: Blatchley 1910 (as Trichopteryx Kirby and Spence ); De Coninck and Coessens 1981; Dybas 1990; Downie and Arnett 1996; Peck and Thomas 1998; Hall 2001.

Figures

Figures 19–24. Habitus images. 19) Catopocerus sp. (female) (Leiodidae: Catopocerinae). 20) Ptomaphagus appalachianus (Peck) (Leiodidae: Cholevinae). 21) Ptomaphagus sp. (female) (Leiodidae: Cholevinae). 22) Agathidium sp. (female) (Leiodidae: Leiodinae). 23) Stelidota octomaculata (Say) (Nitidulidae: Nitidulinae). 24) Acrotrichis sp. (Ptiliidae: Acrotrichinae).