The Pan-Pacific Entomologist
The monotypic eucerine bee genera Idiomelissodes and Syntrichalonia are limited to the arid portions of southwestern United States and northern Mexico. According to LaBerge (1957), Idiomelissodes is related to the more widespread genera Svastra and Anthedonia, and Syntrichalonia is perhaps related to the widespread genus Synhalonia (as Tetralonia). The species of ldiomelissodes and Syntrichalonia, duplocincta (Cockerell) and exquisita (Cresson), respectively, have been collected rarely, and very little is known about their flower preferences or behavior. The purposes of the present paper are to briefly summarize my observations on the host plants and behavior of these bees, and to extend their known distributions.
Zavortink, Thomas J., "Host Plants, Behavior, and Distribution of the Eucerine Bees Idiomelissodes duplocineta (Cockerell) and Syntrichalonia exquisita (Cresson)" (1975). Wi. Paper 1.
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