. Bulletin. Natural history; Natural history. .M;iv, 1968 Stannarii: Till Tiikii' 327 tween these setae there are at least five pairs of smaller setae. By contrast the species of Thrips have much longer major posterior prothoracic setae, and between these setae there are only two, three, or rarely four pairs of smaller setae. Also in Microcephalo- tlirips the scallop-like projections are larger and occur along the posterior margins of most of the abdominal ter- gites. In the species of Thrips which possess scallop-like projections, the projections are much smaller and are much less prominent t
. Bulletin. Natural history; Natural history. .M;iv, 1968 Stannarii: Till Tiikii' 327 tween these setae there are at least five pairs of smaller setae. By contrast the species of Thrips have much longer major posterior prothoracic setae, and between these setae there are only two, three, or rarely four pairs of smaller setae. Also in Microcephalo- tlirips the scallop-like projections are larger and occur along the posterior margins of most of the abdominal ter- gites. In the species of Thrips which possess scallop-like projections, the projections are much smaller and are much less prominent to absent on the anterior tergites. The cosmopolite, abclominalis, is the only species present in Illinois. Microcephalothrips abdominalis (Crawford, D. L.) Composite Thrips Thrips abdominalis Crawford, D. L. (1910:157). 9. Type-locality.— Guadalajara, Mexico. Moulton (19296:236). 9 . Transferred to Mi- crocephalothrips by Bagnall (19266). Thrips femoralis Jones (1912:4). 9. Type-locality. —Barnesville, Georgia. Homonym of Thrips fe- moralis Blanchard (1851). Synony- mized by Hood (1912a). Thrips (C'tenothripella) qillettei Moul- ton (19266:126). 9 .Type-locality.— Fort Collins, Colorado. Synony- mized by Moulton (19296). Female (macropterous).—Length distended about mm. General color brown. Intermediate antennal seg- ment, apex of fore femora, and all tarsi lighter, becoming yellow brown to yel- low. Fore wings nearly uniformly brown. Body with orange subintegu- mental pigment. Ocellar pigment red. Head small (Fig. 117). Antennae short. Prothorax elongate, moderately setose. Abdominal tergite II with three se- tae on each lateral margin. Accessory setae of abdominal sternites arranged in several transverse rows. Abdominal tergite VIII with setae borne at the tips of the scallop-like projections. Male (macropterous). Length distended about 1 mm. Except for head, which is brown, lighter in color. P'ig. 117.—Microcephalothrips abdominalis, head and prothorax. than fe
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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory
