. Bulletin. Natural history; Natural history. 476 Illinois Naturai. History Si-rvlv Bclletin \'ol. L"J, An. Pulaski (Hood 1912c). Putnam Coun- ty- Mark. April 29. 1948, Stannard, under cherry bark, 3 d'. Vermilion County: Oakwood, April 18, 1948, Burks, Stannard, under cherry bark, 19,10^. Liothrips russelli (Hood) Rhynchothrips russelli Hood (1925&: 31). 9, d". Type-locality.—Belts- ville, Maryland. Transferred to Liothrips by Stannard (19576). Female (brachypterous).—Length distended over mm. General color dark brown. Antennal segments light brown to yellowish brown. Legs w


. Bulletin. Natural history; Natural history. 476 Illinois Naturai. History Si-rvlv Bclletin \'ol. L"J, An. Pulaski (Hood 1912c). Putnam Coun- ty- Mark. April 29. 1948, Stannard, under cherry bark, 3 d'. Vermilion County: Oakwood, April 18, 1948, Burks, Stannard, under cherry bark, 19,10^. Liothrips russelli (Hood) Rhynchothrips russelli Hood (1925&: 31). 9, d". Type-locality.—Belts- ville, Maryland. Transferred to Liothrips by Stannard (19576). Female (brachypterous).—Length distended over mm. General color dark brown. Antennal segments light brown to yellowish brown. Legs with apexes of'all femora, apexes of fore tibiae, and all tarsi yellow to yellowish brown, the fore tarsi being almost completely yellow. Head (Fig. 251) slightly longer than wide, anterior area bearing fore ocellus not prolonged. Ocelli present but fore ocellus often greatly reduced. Postocu- lar setae moderate in size, blunt. An- tennal segment III with no inner and one outer sense cone; segment IV not subglobose, with one inner and one outer sense cone. Mouth cone moder- ately long, pointed to nearly blunt. Prothorax (Fig. 251) with median. Fig. thorax. -Liothrips russelli, head and pro- length shorter than head; with major setae well developed, the epimeral se- tae just slightly longer than dorsal eye length, all blunt to barely pointed. Metanotum short, weakly marked with elongate hexagonal reticulations. Fore tarsi unarmed. Wings reduced to pads. Pelta roughly triangular. Wing- holding setae weakly developed. Ab- dominal tergite IX with major poste- rior setae moderate in size, much shorter than tube, pointed. Tube shorter than head. Female (macropterous).—Length distended about mm. Similar to brachypterous female with the follow- ing exceptions. Ocelli always fully de- veloped. Metanotum longer. Fore wings fully developed, clear except for area above scale at extreme base which is brown, with 8-10 accessory fringe cilia. Wing-holding setae well developed.


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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory