|scientific name Mycterothrips betulae |
Betula sp. (Stannard 1968), Populus tremuloides, Salix sp. (Chiasson, 1986).
Adults collected in June and July.
Body length varies from 1.2mm to 1.5mm, and the body is bicoloured. Antennal segments 2 to 5, and the abdomen are brown and the head, thorax, and legs are a yellowish brown. The head is not elongate or bulged laterally, though the interocellar setae are strongly developed. The prothorax has 2 pairs of posterior setae between the major epimeral setae. Males and females are macropterous, and forewings normally have only 2 distal setae on the fore vein. Abdominal sternites lack accessory setae (Stannard, 1968).
Alberta, Quebec (Chiasson, 1986). O'Neill (1972) believes that M. betulae may occur wherever Betula is abundant in eastern North America.
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