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water bug

(Encyclopedia)water bug, name for a large number of water-living bugs, comprising several families of the order Hemiptera (true bugs). All have jointed, sharp, sucking beaks, breathe air, and undergo gradual metamo...

Darwin's finches

(Encyclopedia)Darwin's finches or Galapagos finches gəläˈpəgōsˌ [key], species of small perching birds, constituting the subfamily Geospizinae of the tanager family. Not related to the true finches, this grou...

Hyatt, Alpheus

(Encyclopedia)Hyatt, Alpheus, 1838–1902, American zoologist, b. Washington, D.C., grad. Harvard, 1862. He was a devoted follower of Louis Agassiz. From 1870, Hyatt was custodian and later curator of the Boston So...

caddis fly

(Encyclopedia)caddis fly, any of various insects of the order Trichoptera, with four hairy wings usually held back rooflike over the abdomen, long antennae, and chewing mouthparts. The aquatic larvae, or caddis wor...

bean weevil

(Encyclopedia)bean weevil, common name for a well-known cosmopolitan species of beetle (Acanthoscelides obtectus) that attacks beans and is thought to be native to the United States. It belongs to the family Bruchi...

Forster, Johann Reinhold

(Encyclopedia)Forster, Johann Reinhold, 1729–98, German naturalist and teacher. His Philosophical Transactions of the Royal Society (1772–73) on zoology, ornithology, and ichthyology established him as one of t...

trichinosis

(Encyclopedia)trichinosis trĭkˌĭnīˈəsĭs [key], parasitic disease caused by the roundworm Trichinella spiralis. It follows the eating of raw or inadequately cooked meat, especially pork. The larvae are releas...

apple maggot

(Encyclopedia)apple maggot, larva of a fruit fly, Rhagoletis pomonella. ...

bloodworm

(Encyclopedia)bloodworm, name for the larva of the midge and for a red-blooded marine polychaete worm. ...

Dall sheep

(Encyclopedia)Dall sheep: see bighorn, in zoology. ...