First Description of The Stem Gall of Rhopalomyia baccharis Felt, 1908 (Diptera: Cecidmyiidae), on Baccharis pilularis De Candolle (Asteraceae)

Ron Russo

doi:10.3956/2007-08.1

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Abstract

The gall of Rhopalomyia baccharis Felt, 1908, previously known only as a “stem gall” on Baccharis pilularis De Candolle is described for the first time. Adults of the gall inducer are indistinguishable from those of the related Rhopalomyia californica Felt, 1908, but the pupae are distinctive. The latter species makes a distinct terminal bud gall on the same host. Distinguishing pupal characters and galls are illustrated. The biology of R. baccharis is outlined.

Citation Download Citation

Ron Russo "First Description of The Stem Gall of Rhopalomyia baccharis Felt, 1908 (Diptera: Cecidmyiidae), on Baccharis pilularis De Candolle (Asteraceae)," The Pan-Pacific Entomologist 83(4), 285-288, (8 December 2007). https://doi.org/10.3956/2007-08.1

Received: 26 January 2007; Accepted: 1 March 2007; Published: 8 December 2007

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