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The following list of freshwater fish species and subspecies known to occur in the U.S. state of Oregon is primarily taken from "Inland Fishes of Washington" by Richard S. Wydoski and Richard R. Whitney (2003), but some species and subspecies have been added from the Oregon Department of Fish and Wildlife (ODFW) website. Some scientific names ...
The spines on the operculum are divergent and the gill membrane is free from isthmus. [4] There is a large mobile spine below each eye which may be projected outwards. [9] The venom borne on the spines of these fishes is very potent. They are small fish, from 2.5–23 cm (1–9 in). [4]
Oregon: Chinook salmon: Oncorhynchus tshawytscha: 1961 [56] Pennsylvania: Brook trout: Salvelinus fontinalis: 1970 [57] Rhode Island: Striped bass: Morone saxatilis: 2000 [58] South Carolina: Striped bass: Morone saxatilis: 1972 [59] South Dakota: Walleye: Sander vitreus: 1992 [60] Tennessee: Smallmouth bass (sport fish) Micropterus dolomieu ...
The Oregon State Archives is open for research by appointment. It also publishes the Oregon Blue Book and Oregon Administrative Rules. The position of State Archivist was authorized by the state legislature in 1945, though not filled until 1947, and was originally a staff position within the Oregon State Library. The duties and functions of the ...
Vespula pensylvanica, the western yellowjacket, is a Nearctic species of wasp in the genus Vespula. [1] [2] It is native to regions of North America, largely in areas with northern temperate climates. Its reproductive behavior is constrained by cold weather, which successfully reduces the number of western yellowjackets in cold months.
Sphex ichneumoneus, known commonly as the great golden digger wasp or great golden sand digger is a wasp in the family Sphecidae. It is identified by the golden pubescence on its head and thorax, [ 2 ] its reddish orange legs, and partly reddish orange body. [ 3 ]
In some species, the larvae are predatory themselves; the wasp eggs are deposited in clusters of eggs laid by other insects, and these are then consumed by the developing wasp larvae. [10] The largest social wasp is the Asian giant hornet, at up to 5 centimetres (2.0 in) in length. [11]
Sphex pensylvanicus is a large, black wasp, significantly larger than their congener Sphex ichneumoneus (the great golden digger wasp). [6] Males are smaller than females, at only 19–28 mm (0.7–1.1 in) long compared with typical female sizes of 25–34 mm (1.0–1.3 in). [2]