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Skeletal Morphology of Thrassis
Key to Species and Subspecies of Thrassis
7 other sections not shown
abdomen acamantis America angle Antenna apex apical appears Arizona average bacchi band Banks basal base Brachynemurus broad Bull California Cambridge characters close collected color County dark developed differences distal distribution dorsal examined extended face female figure fleas forecoxa forewing francisi genera genitalia genus geographic head hindwing host indicated known labial larvae lateral length less lobe locality longer longer than wide male male ectoproct margin mark median Mexico middle miles modified narrow nearly nebulosus North occur ocular Oregon pale percent plague Plague infection populations posterior posterior border postventral lobe present probably pronotum province Pseudohylesinus range records represents rounded scales segment separated setae short shorter side slightly southern species specimens spurs squirrels sternum sternum 9 stripe subspecies tergite tergum Thrassis United usually variation vein ventral vertex Washington western wide width wing