Oregon Forestfly - Zapada oregonensis
Male four millimeters long. Female four to five millimeters long. Both sexes brachypterous. General color light brown. Four cervical gills, each composed of two compressed filaments which are branched once or twice beyond the base; length of each gill about six times its width at the base. Head wider than prontum, dark brown expect for a paler area beyond the anterior ocellus. Pronotum about as wide as long, narrowed in width posteriorly and with the angles broadly rounded, generally dark with light lateral and posterior margins. Forewing reaching to about the middle of the metanotum, high wings slightly shorter. Antennae composed of 27-32 segments, equal to or slightly greater than the length of the body (Denning 1954).
Observations in Montana Natural Heritage Program Database
Number of Observations:
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(Observations spanning multiple months or years are excluded from time charts)
Merritt and Cummins (1996) report that members of this family are trophically shredder-detritivores; eating large particulate organic materials such as detritus, leaves and plants.
- Literature Cited AboveLegend: View Online Publication
- Cummins, K.W. and R.W. Merritt. 1996. Ecology and distribution of aquatic insects. Chapter 6, pages 74-86 in R.W. Merritt and K.W. Cummins (eds.) An Introduction to the Aquatic Insects of North America. Third Edition. Kendall/Hunt Publishing Company, Dubuque, Iowa. 862 pp.
- Denning, D.G. 1954. New species of western Trichoptera. Journal of the Kansas Entomological Society 27: 58-64.
- Additional Sources of Information Related to "Insects"