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Derobrochus abstractus Scudder 1890 (caddisfly)

Insecta - Trichoptera - Polycentropodidae

PaleoDB taxon number: 207642

Full reference: S. H. Scudder. 1890. The Tertiary Insects of North America. Report of the United States Geological Survey of the Territories XIII:1-734

Belongs to Derobrochus according to T. D. A. Cockerell 1907

Sister taxa: Derobrochus caenulentus, Derobrochus commoratus, Derobrochus craterae, Derobrochus frigescens, Derobrochus marcidus, Derobrochus typharum

Type specimen: MCZ 353, an exoskeleton. Its type locality is Florissant (MCZ Collection), which is in a Chadronian lacustrine - large shale in the Florissant Formation of Colorado.

Ecology: epifaunal grazer

Average measurements (in mm): body length 9.00, forewing 11.0 x 3.3