|scientific name Aptinothrips stylifer |
Leaves or leaf sheathes of sedges, or Medicago sativa (Chiasson, 1986).
Adults collected from June to September.
The body varies around 1.5mm in length and antennal segments 4 and 5 are brownish, as are the sides of the tibiae. Antennal segment 6 and the end of the abdomen are a dark brown. The head is reticulate in the anterior two thirds, though it is transversely striate in the posterior third. Antennae are 8 segmented, with segment 2 not having flanged sides. Tarsi are 2 segmented. Abdominal tergite 9 has three pairs of long and thickened posterior setae (Stannard, 1968).
A. stylifer is more host specific than A. rufus (Palmer, 1975).
Alberta, B.C., Quebec, Ontario (Chiasson, 1986), England, Scotland, Russia, Siberia, Europe (Jacot-Guillarmod, 1974).
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