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Species Page - Chirothrips
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scientific name    Chirothrips    

All species in this genus live in the flowers of grasses (Mound and Marullo, 1996)

Adults collected from May through August.

The head is small, and somewhat prolonged behind the eyes. Ocelli are present in females, and absent (as far as is known) in males. Antennae are 8 segmented, with segment 1 enlarged, segment 2 is usually produced at the outer apex, and the last 2 segments forming a style. Antennal segment 3 has simple sense cones and segment 4 has forked or simple sense cones. Prothorax is large, trapezoidal, forelegs are enlarged, and tarsi are 2 segmented. Females are macropterous, and males are apterous or brachypterous. Forewings with 2 veins, setae on both veins are interrupted (Stannard, 1968).

life history
Members of this genus breed in the flowers of Gramineae, with each individual thrips developing in a single floret. The varying nutritional values of each floret are believed to produce individuals of various sizes, which may have resulted in multiple names for some species of thrips in this genus (Mound and Marullo, 1996).

Varies with species.

diet info
Chirothrips almost exclusively feed on the leaves and flowers of Graminae (zur Strassen, 1960).

Varies with species.

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References (4)


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