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Species Page - Liothrips
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scientific name    Liothrips    

habitat
The leaves of various host plants (Mound and Marullo, 1996).

seasonality
Undocumented.

identification
Species in this genus are dark in colour and of medium size (Stannard, 1957). The head is approximately as long as it is wide, or somewhat elongate, and is transversely striate. Ocelli are present, though the fore ocelli may be reduced in brachypterous forms. The postocular setae may be blunt or pointed and are long or are of moderate length. The antennae are 8 segmented and the intermediate segments are somewhat elongated. Antennal segment 3 has 1 outer sense cone, segment 4 will vary from elongate to subglobose in shape with species, though segment 4 always has 1 inner and 1 or 2 outer sense cones. Antennal segment 8 is most often non-pedicellate. The mouth cones are usually long and pointed. The maxillary stylets retract far into the head, and nearly touch in the center. The prothorax is barely sculptured, and while the anterior setae are smaller than the posterior setae, all major setae are well developed. The epimeral sutures are complete though the basantra is absent. The metanotum is weakly sculptured, longitudinally striate or hexagonally reticulate, especially medially. Species may be macropterous or brachypterous. The forewings are not indented in the middle, and the fore legs lack tarsal teeth. The pelta is triangular to bell shaped and small. The wing holding setae are well developed in macropterous specimens, but may be weakly developed in brachypterous forms. The major setae on abdominal tergite 9 are pointed or blunt, and males often have a broad glandular region on sternite 8. The tube is conical or slender (Stannard, 1968).

life history
Many members of this genus are host specific (Chiasson, 1986).

conservation
Some species in this genus are of economic importance (Stannard, 1957; Palmer et al, 1989).

diet info
Species in this genus are leaf-feeders (Mound and Marullo, 1996).

range
Worldwide (Palmer et al, 1989).

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=28155



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Authorship
References (5)

 

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