A copula of Boreus hyemalis found on the stem of a tree at night (Mecoptera: Boreidae) During a winter night a copula of Boreus hyemalis (Linnaeus, 1767) was found on the stem of a tree (30 cm above the ground) in a dense forest near Goirle (province of Noord- Brabant). This is a remarkable observation because Boreus is thought to be a ground dwelling species, associated with open sand dunes and active during the daytime. Observations of insects on tree stems during winter nights prove to be very rewarding.

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Nederlandse Faunistische Mededelingen

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Naturalis journals & series

Spijkers, H., & van Wielink, P. S. (1999). Boreus hyemalis 's nachts in copula op een boomstam gevonden (Mecoptera: Boreidae). Nederlandse Faunistische Mededelingen, 9, 131–133.