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1 January 2001 A New Subspecies of Dendroctonus (Coleoptera: Scolytidae) from Mexico
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Abstract

Dendroctonus pseudotsugae barragani is described as new to science from the Sierra Madre Occidental Mountains in Chihuahua, Mexico. It differs from the nominate subspecies in 10 anatomical features involving the head, pronotum, and elytral declivity and in the manner in which groups of eggs are laid. Cross-mated male and female beetles from Chihuahua and Idaho produced 67% fewer progeny than did pairs of beetles from either locality. Further evidence of isolation of the Mexican population is shown by differences in the species of entomophagous and scolytid insects associated with the two subspecies of D. pseudotsugae.

Malcolm M. Furniss "A New Subspecies of Dendroctonus (Coleoptera: Scolytidae) from Mexico," Annals of the Entomological Society of America 94(1), 21-25, (1 January 2001). https://doi.org/10.1603/0013-8746(2001)094[0021:ANSODC]2.0.CO;2
Received: 14 July 2000; Accepted: 1 October 2000; Published: 1 January 2001
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