. Bulletin. Natural history; Natural history. 454 Illinois Natural History Survfv Bulletin \'ol. 29, Art. 4 Hoplothrips americanus (Hood), generic reassignment Trichothrips americanus Hood (1908c: 366). 9, cf. Type-locality.—Not stated but holotype labeled Urbana, Illinois. Transferred to Phlaeothrips by Stannard (19576). Female (brachypterous).—Length distended about mm. General color brown and yellow. Yellow: head, ped- icel of antennal segment III, legs, and abdominal segments VIII-X, except tip of tube (X) which is gray. Yellow- ish brown: antennal segments I and II and most of pteroth


. Bulletin. Natural history; Natural history. 454 Illinois Natural History Survfv Bulletin \'ol. 29, Art. 4 Hoplothrips americanus (Hood), generic reassignment Trichothrips americanus Hood (1908c: 366). 9, cf. Type-locality.—Not stated but holotype labeled Urbana, Illinois. Transferred to Phlaeothrips by Stannard (19576). Female (brachypterous).—Length distended about mm. General color brown and yellow. Yellow: head, ped- icel of antennal segment III, legs, and abdominal segments VIII-X, except tip of tube (X) which is gray. Yellow- ish brown: antennal segments I and II and most of pterothorax and ab- dominal tergite I. Brown: antennal segments III-VIII except pedicel of segment III, prothorax, and abdomi- nal segments II-VII. Sometimes in- dividuals darker, with head, most of abdomen except tube, and femora yel- lowish brown to brown. Body with much red subintegumental pigment. Head about as long as wide to slight- ly longer than wide. Eyes small, vary- ing from a few to about a dozen dorsal facets. Ocelli absent. Postocular setae long, pointed, blunt or dilated. Anten- nal segments III-VIII each with a sharply narrowed pedicel, segment III with one inner and two outer sense cones, segment IV with one inner and two outer sense cones, segment VIII decidedly lanceolate. Mouth cone moderately long, rounded to almost pointed. Prothorax with major setae well de- veloped; anteromarginal setae often longer than the anterolateral setae, these setae pointed, blunt or dilated. Fore legs enlarged, each fore tarsus armed with a small to minute tooth. Wings reduced to pads. Pelta (Fig. 235) in the shape of a broad transverse oval. Abdominal ter- gites without differentiated wing-. Fig. 235.—Hoplothrips americanus, 9 ma- croptercus, pelta, holding setae. Most lateral setae on abdominal tergites pointed to slightly blunt. Abdominal tergite IX with ma- jor setae long and pointed. Tube mod- erate in size. Female (macropterous).—Length distended about mm. Similar in


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