Odontothrips loti
Recognition data
Distinguishing features
Both sexes fully winged. Body and legs dark brown, tarsi paler, antennal segment III yellow, IV light brown; forewings brown with sub-basal white band. Head wider than long; three pairs of ocellar setae present, pair III as long as distance between compound eyes, arising on or just outside anterior margins of ocellar triangle. Antennae 8-segmented; segments III � IV constricted to apex, sensorium forked; segment VI sensorium with enlarged oval base. Pronotum with two pairs of long posteroangular setae. Fore tibial apex ventrally with small claw near outer margin, also seta-bearing tubercle near inner margin. Metanotum weakly reticulate; median setae long, arising at anterior margin; campaniform sensilla present. Forewing first vein with setal row variable, commonly with small sub-apical gap; setal row complete on second vein. Abdominal tergites with no sculpture medially; tergite VIII with posteromarginal comb broadly interrupted medially, with long slender microtrichia laterally; ctenidium not developed, but anterolateral to spiracle is a small group of microtrichia. Sternites without discal setae. Male smaller; tergite IX with pair of small stout setae posterolaterally; sternites without glandular areas; extruded genitalia bearing two stout spines each arising from an elongate trachea-like structure.
Related and similar species
The genus Odontothrips currently includes 29 species, of which only O. pictipennis from eastern USA is native to North America. Species of Odontothrips breed only in the flowers of Fabaceae, with the exception of O. pictipennis.
Taxonomic data
Current valid name
Odontothrips loti (Haliday)
Original name and synonyms
Thrips loti Haliday, 1852: 1108
Euthrips ulicis californicus Moulton, 1907: 44
Odontothrips uzeli Bagnall, 1919: 262
Odontothrips fasciata Priesner, 1926: 228
Odontothrips anthyllidis Bagnall, 1928: 96
Odontothrips brevipes Bagnall, 1934: 489
Odontothrips quadrimanus Bagnall, 1934: 60
Odontothrips thoracicus Bagnall, 1934: 59
Family placement
Thripidae, Thripinae
Common names
Lupin flower thrips
Biological data
Life history
Breeding in flowers
Host plants
Flowers of various Fabaceae, including Lotus, Genista, Lupinus, Trifolium.
Tospoviruses vectored
None
Crop damage
Associated with flower damage in commercial lupin crops in Western Australia.
Distribution data
Area of origin
Europe
Distribution
Widespread in Europe, but apparently less common in the South; in the USA, recorded from Virginia, Iowa, Utah, Colorado, Oregon, Washington and California.
