Xerothrips dissimilis
Recognition data
Distinguishing features
Females fully winged, or females and males with wings shorter than thorax width. Head with 3 pairs of ocellar setae, pair III short on anterior margins of triangle; compound eyes with 6 prominent pigmented ommatidia; mouth cone extending between fore coxae. Antennae 8-segmented, III � IV with forked sensorium. Pronotum with one pair of rather short posteroangular setae. Forewing, when present, with two complete rows of veinal setae, posteromarginal fringe cilia straight. Abdominal tergites II � VIII with median setae longer than distance between their bases; tergite VIII with complete posteromarginal comb of microtrichia. Sternites II � VII with 10 to 18 discal small setae, one or more of these setae arising at posterior margin. Male with glandular area opening on sternite III antecostal area.
Related and similar species
Only one species is placed in the genus Xerothrips. This is generally similar to the species of Baileyothrips, but the tergal posterior margins lack craspeda, the pronotum has one pair of prominent posteroangular setae, and the forewings, when present, have a continuous row of setae on both veins.
Taxonomic data
Current valid name
Xerothrips dissimilis Nakahara
Original name and synonyms
Xerothrips dissimilis Nakahara, 1996: 210
Family placement
Thripidae, Thripinae
Biological data
Life history
No information, but presumably leaf-feeding.
Host plants
Most specimens collected from Eriastrum densifolium (Polemoniaceae).
Tospoviruses vectored
None
Crop damage
None
Distribution data
Area of origin
Western USA
Distribution
California, Nevada