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BRACHYSTELES PARVICORNUS (COSTA), AN ANTHOCORIDAE NEW TO CANADA (HEMIPTERA: HETEROPTERA)
Published online by Cambridge University Press: 31 May 2012
Extract
New records for non-indigenous species of Hemiptera: Heteroptera continue to be reported from Canada. Schwartz et al. (1991) reported the microphysid Loricula bipunctata (Perris) from Saanichton, British Columbia, and Larivière (1992) reported the occurrence of the nabid Himacerus apterous (Fabricius) from the vicinity of Halifax, Nova Scotia.
Asquith and Lattin (1990) recorded the European anthocorid Brachysteles parvicornis (Costa) from New York, and Noodline, New Jersey. Lattin and Asquith (1991) reported additional material of the species from Maine on Picea glauca (Moench) and from Massachusetts on Pinus rigida Mill. With the latter specimens, the oribatid mite Humerobates rostrolamellatus Grandjean was beaten from the trees along with the bug. This is a cosmopolitan mite that occurs on trees and is found in Europe. Pericart (1972), citing Carayon, stated that Brachysteles parvicornis fed upon oribatid mites found on trees. Pericart provided a detailed account of this species of anthocorid in Europe. Little is known of its habits in North America except that it appears to be found on conifers and seems to be associated with the oribatid mite mentioned above. Pericart (1972) reported other hosts in Europe so the bug may be found on non-conifer hosts as well. There is a brachypterous form but, thus far, only fully winged adults have been collected in North America.
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- Copyright © Entomological Society of Canada 1993
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