Tobias' caddisfly

Taxobox
name = Tobias' caddisfly
status = EX | status_system = IUCN2.3
extinct = 1938
regnum = Animalia
phylum = Arthropoda
classis = Insecta
ordo = Trichoptera
familia = Hydropsychidae
genus = Hydrospyche
species = "H. tobiasi"
binomial = "Hydropsyche tobiasi"
binomial_authority = (Malicky, 1977)

Tobias' caddisfly ("Hydropsyche tobiasi") was a caddisfly which lived on the River Rhine between Mainz and CologneSM Wells, RM Pyle & NM Collins: "IUCN Invertebrate Red Data Book". International Union for the Conservation of Nature and Natural Resources, 1983. ISBN 2880326028] . It was last seen in 1938 and was described in 1977 by Austrian entomologist Heinz Malicky on the basis of material he found in earlier collections. Very little is known about the species and no larvae were ever found. The River Rhine has been a subject to urban and industrial pollution for several decades during the 20th century. This had led to the decline and disappearance of many caddisfly species on several riversides of the Rhine.

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* Database entry includes a brief justification of why this species is listed as extinct