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Species Page - Cephalothrips monilicornis
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scientific name    Cephalothrips monilicornis    

Short grass prairie, rye grass, birch, willow, Ledum groenlandicum (Chiasson 1986).


Body varies in length around 2mm, and is mainly dark brown. The bases of antennal segments 3 to 6, the apices of the tibiae, and all tarsi are yellow. The head is elongate, and the cheeks are somewhat serrate. The eyes are prolonged ventrally into a point towards the posterior. Ocelli are lacking in apterae. Antennal segment 3 has a single outer sense cone, while segment 4 has outer and inner sense cones. The mouth cone is short, and rounded. The pterothorax is degenerate in apterae, and each fore tarsus has a small tooth. Females are macropterous, brachypterous or apterous. The pelta is dome shaped and the wing-holding setae are not differentiated in apterae. The major posterior setae on segment 9 are half as long as the tube. Males are not known to occur in North America (Heming, Personal communication 2003).

life history
Males of the species are known in Europe, but were formerly unknown in North America (Stannard 1968). Stannard (1968) suggested that the North American form of C. monilicornis may be facultatively parthenogenetic, though males have been collected in Alberta (Heming Pers communication 2003).


diet info

Alberta, B.C. (Chiasson 1986), across North America and Europe (Stannard 1968).

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References (2)
Specimen Info
There are 220 specimens of this species in the online database
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Specimen List (220)


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