SUBFAMILY II. OEDIPODIX.E. 291 



third; apical third smoky-transparent, with a few fuscous dots near tip. 

 Outer face of hind femora ash-gray or dull yellow with three more or less 

 distinct black spots on upper margin; inner face black with two narrow 

 yellow cross-bars. Hind tibiae pale blue, sometimes dusky, with a whit- 

 ish ring near base, the spines black except at extreme base. Lower side 

 of body dull yellow. Length of body, $, 17 19, 9, 24 26; of antennae, 

 $, 1112, 9, 1213; of pronotum, $, 4.5, 9,6; of tegmina, $, 1820, 

 9, 23 25; of hind femora, $, 11 12, 9, 1315 mm. (Fig. 108.) 



This locust, the Mestobregma cinctum (Thos.) of my former 

 work (1903, 279) inhabits, as far as known, only the southern 



third of Indiana, where it frequents old aban- 

 doned fields, roadsides and bare rocky slopes, 

 especially those on high wooded hills near 

 streams. On the hills about Wyandotte 

 Cave, and the Knobs back of New Albany, it 

 is especially common. The earliest date on 

 which it has been taken was July 7, when it 

 was found in numbers, and had doubtless 

 been mature for some time. On September 

 24, 1918, it was found to be quite common on 

 a slope leading up to a hemlock covered bluff 

 Fig. 108. Male, x i-3- * n Owen County. This slope was nearly bare 



and thickly covered with small weathered 



fragments of grayish-brown sandstone. Among these the locust 

 was resting, and visible only when it moved. When first flushed 

 they flew only a few feet, the males making a low whirring noise 

 as they rose from the ground. When frightened by attempts at 

 capture with the net they would often make a long flight into the 

 branches of nearby trees. This was the most northern point at 

 which it has been noted in Indiana. 



The general range of M. thomasi is given by Scudder (1900) 

 as ''Upper Mississippi Valley and Colorado." Thomas and Hart 

 have recorded it from Illinois, the latter noting it as common on 

 the dunes near Havana and Moline, and occurring on dry barren 

 ground throughout southern Illinois. Garman (1894) records it 

 from Rowling Green and Glasgow Junction, Ky. East of the 

 Mississippi it is known also from central and southern Ohio, 

 Georgia, Tennessee, and Agricultural College, Miss., while west of 

 that stream it ranges north and west to Minnesota and Colorado 

 and southwest to Kansas, Arkansas, Oklahoma and northern 

 Texas. Morse (1904, 36) states that its hues "vary, according to 

 its environment, from nearly black to ashen or dust color. It flies 

 freely, but weakly, on a warm day, and is easily captured." 



M. thoniosi is the Mestobregina cincta Thos. of most authors; 



