Title:	The Mexican pine beetle, dendroctonus maxicanus: first recorded in the United States and co-occurrence with the southern pine beetle - dendroctonus frontalis (coleoptera: scolytidae or curculionidae: scolytinae)
Author(s):	Moser, John C.; Fitzgibbon, Bobbe A.; Klepzig, Kier D.
Date:	2005
Source:	Entomoligcal News, Volume 116, Number 4, September and October 2005, 235-243
Description:	The Mexican pine beetle (XPB) Dendroctonus mexicanus, is recorded here for the first time as a new introduction for the United States (US). Individuals of XPB and its sibling species, the southern pine beetle (SPB) Dendroctonus frontalis, were found infesting the same logs of Chihuahua pine, Pinus leiophylla var. chihuahuana and those of several other pine species in the Chiricahua Mountains, AZ. Both species were also captured in Lindgren traps baited with southernand western pine beetle attractants, both of which contained the pheromone frontalin. XPB outnumbered SPB 16:1 in the traps. Both XPB and SPB were trapped during warm periods in winter. It is possible that XPB attack trees during winter as SPB do in the southeastern US. Both XPB and SPB are highly destructive to pines, and XPB could pose a threat if accidentally introduced to pines in the higher elevations of the eastern US.
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