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Species Page - Liothrips citricornis
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scientific name    Liothrips citricornis    

Basswood, Viburnum leaves (Chiasson 1986), hickory and grape (Stannard 1968).

In Illinois, collected year-round (hibernating in forest leaf mold in winter) (Stannard 1968).

Body varies between 2.2mm and 3mm in length and is mainly dark brown. Antennal segments 3 to 8 are bright yellow, though segments 7 and 8 may be shaded with brown. The tarsi may be brown and the wings are colourless except for a brown median streak near the wing scale. The head is longer than wide and the postocular setae are long with the ends blunt to dilated. Antennal segment 3 has 1 outer sense cone, and segment 4 has 1 inner and 2 outer sense cones. All major setae on the prothorax are long and well developed, and are blunt to dilated. Males and females are macropterous. The metanotum has longitudinal striations, and the forewings have 10 to 14 accessory fringe cilia. The pelta is triangular to bell shaped, and the major posterior setae on abdominal tergite 9 are long and pointed. On males, abdominal sternite 8 has a broad glandular area that covers most of the ventral surface of the segment (Stannard 1968).

life history


diet info
Feeds on the leaves of its host plants (Mound and Marullo 1996).

Alberta, Ontario (Chiasson 1986), Eastern U.S. (Stannard 1968).

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Specimen Info
There are 2 specimens of this species in the online database
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