|scientific name Thrips winnemanae |
Symphoricarpus sp., Bidens sp., Cornus sp., moss, duff, grass (Nakahara 1994).
Body varies around 1.07 to 1.34mm in length and is yellow or yellow orange with the thorax darker than the abdomen and the legs a paler shade of yellow. Antennal segment 1 is yellow, 2 is orange yellow, 3 is yellow with the distal third a light brown, and segments 4 and 5 are yellow basally and light brown distally. Antennal segments 6 and 7 are brown. The antennae are 7 segmented with the inner sense cone on segment 6 reaching halfway down the length of segment 7. The pronotum is transversely striate and has 3 pairs of posteromarginal setae. The mesonotum has 2 anteromedial campaniform sensilla, and the metanotum has 2 campaniform sensilla within the posterior third of the notum. The forevein on the forewing has 3 distal setae. Abdominal tergite 2 has 3 lateral setae and tergite 7 may have some microtrichia along the medial portion of the posterior margin. Abdominal tergite 8 has a complete posteromarginal comb and tergite 9 has 2 pairs of campaniform sensilla. On males, sternites 3 to 7 each have a transverse, oblong glandular area (Nakahara 1994).
Common in eastern North America (Stannard 1968).
Pollen (Chiasson 1986).
Alberta, U.S.: Illinois, Kansas, Kentucky, Maryland, Missouri, North Dakota, Tennessee (Nakahara 1994).
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