|scientific name Limothrips denticornis |
common name Barley Thrips (Stannard, 1968)
Leaves and in florets of grasses and cereals (Moritz et al., 2001).
Adults collected in May through September.
The body varies in length around 1.2mm to 1.5mm, and is dark brown. (Stannard, 1968). The tarsi are pale brown, antennal segment 3 is light brown with a yellow pedicel. The fore wings are brown but slightly lighter near the wing base. The head is longer than wide and projects in front of the eyes. There are 2 or 3 pairs of ocellar setae, and the postocular setae are small. Antennae are 8 segmented, and segment 3 is stout with the external margin produced into a tooth. Antennal segment 3 has a simple sense cone, and segment 4 has a forked sense cone. The pronotum has 1 pair of long posteroangular setae, and 3 pairs of setae along the posterior margin. The metanotum has reticulate sculpture, and a pair of campaniform sensilla. The meso- and metafurca lack spinulae. Females are macropterous, and males are apterous. The first vein on the forewings has 2 setae on the distal half, and the second vein has approximately 10 setae. Tergite 10 has a pair of stout, thorn-like setae (Moritz et al., 2001).
Alberta, P.E.I., Quebec, Ontario, Manitoba, Saskatchewan (Chiasson 1986), widespread in North America and Europe (Moritz et al., 2001).
Comments are published according to our submission guidelines. The EH Strickland Entomological Museum does not necessarily endorse the views expressed.