. Bulletin. Natural history; Natural history. May, 1968 Stannard: 'liiE Thkii's or 485 Prothorax smooth, with all major setae well developed and dilated. Met- anotum only faintly sculptured. Wings reduced to pads. Fore tarsi each with a small tooth. Pelta (Fig. 261) nearly triangular. Wing-holding setae moderately de- veloped. Abdominal tergite IX with major posterior setae long, longer than tube, and pointed. Tube moderately Fig. 261.—Malacothrips zonatus, pelta. Female (macropterous).—Length distended slightly less than 3 mm. Similar in color and structure to bra- chypterous


. Bulletin. Natural history; Natural history. May, 1968 Stannard: 'liiE Thkii's or 485 Prothorax smooth, with all major setae well developed and dilated. Met- anotum only faintly sculptured. Wings reduced to pads. Fore tarsi each with a small tooth. Pelta (Fig. 261) nearly triangular. Wing-holding setae moderately de- veloped. Abdominal tergite IX with major posterior setae long, longer than tube, and pointed. Tube moderately Fig. 261.—Malacothrips zonatus, pelta. Female (macropterous).—Length distended slightly less than 3 mm. Similar in color and structure to bra- chypterous female with the following exceptions. Wings fully developed, light gray except for a pale middle crossband. Fore wings slightly in- dented in the middle, each with six accessory fringe cilia. Male (brachypterous).—Length flistended about 2 mm. Similar to bra- chypterous female with the following exceptions. Abdominal sternite VIII with a thin, transverse, linelike glan- dular area in the middle. Abdominal tergite IX with the lateral posterior setae greatly reduced in size. This species can be distinguished from those assigned to Eurythrips by the absence of praepectal plates and from those assigned to Hoplandro- Ihrips by coloration, the lack of strong reticulations on the metanotum, and by the incised outline of the cheeks just behind the eyes. Apparently zonatus is statewide in distribution, occurring mostly in prai- rie grasses. It has an extensive range, being known at present from Massa- chusetts to eastern Kansas, western Iowa, and eastern North Dakota, and south at least to Arkansas. Illinois records. Found every month of the vear, from one to several localities in the following counties: Adams, Alexander, Champaign, Clay, Douglas, Hancock, Iroquois, Jasper, Jersey, Knox, Lake, Lee, Mason, McLean, Monroe, Mont- gomery, Piatt, Richland, Scott, and Will. Neofhrips Hood Ni'olhrips Hood (1908c:371). Type- species by monotypy.—Neothrips corticis Hood. Head longer tha


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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory