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Note on a Chalcidid of the Subfam. Encyrtinæ, Parasitic on Phenacoccus minimus

Published online by Cambridge University Press:  31 May 2012

T. D. A. Cockerell
Affiliation:
N. M. Agr. Exp. Sta.

Extract

Tetracnemus Westwoodi, n. sp.—♂. Length 1 1-5 mm.; dark brown; head and thorax minutely reticulated; ocelli large adn rpominent, lateral ocelli nearer to the eyes than to the middle oceilus; scutellum prominent; scapulæ triangular, produced to a point mesad, failing to meet by a short interval only; coxæ large and swollen trochanters small, legs long, tarsi five-jointed. Antennæ 8-jointed, or 10 jointed if the two ring-joints are counted; first joint of flagellum subglobose, short; second about as long, but cylindrical; third about twice as long as second; fourth about one-third longer than third; fifth about as long as fourth; sixth (club) a little longer. First four joints of flagellum emitting long branches as in Westwood's figure of T. diversicornis. Club slender, consederably less swollen than in diversicornis. Wings strongly pubescent.

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1898

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