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- Briggs, C.J., et al. Show all 2 Author
- Environmental entomology 1995 v.24 no.3 pp. 679-686
- Rhopalomyia; Baccharis pilularis; geographical distribution; geographical variation; galls; biological development; mortality; predation; parasitism; host plants; plant pests; host preferences; California
- ... The cecidomyiid midge, Rhopalomyia californica Felt, forms galls on the perennial evergreen shrub Baccharis pilularis De Candolle, which is found in coastal regions throughout central California. R. californica, however, is not found in the more southern part of its host's range and is essentially absent south of Santa Barabara. Reasons for this restricted distribution were examined by field exper ...