352 REPORT OF STATE GEOLOGIST. 



85. Amblycorypha kotuxdifolia (Scudder). Tlie Rouud- winged Katy- 

 did. 

 Phi/llopteni rolnmli/olid Scudder, 14 1, VU, 1862. 445. 



AniUi/ron/pha ratundiJoUa Bruuner, 38, 1H78, 268; BL, 7, 1893, 105; 

 Beut., 3, ^^, 1894, 277, Plate VI, Fig. 2; Lugger 84, 1898, 

 222, Fig. 146; Scudd., 188. 1900, 70. 

 Phylloptera ubloiir/i/olid KsiTris, 72, 1862, Fig. 75 (Not text) ; Riley, 115, 

 1874, 169, Fig. 55 (Text in part). 



The length of .4. roiundifolia is about 32 mm. to the end of 

 tegmina, which are proportionally much broader than those of ohlong- 

 ifolia. The posterior femora reach the tip of tegmina in the male, 

 a little longer in the female; armed on the lower, inner carina with 

 four or five minute teeth. Anterior margin of pronotum, especially 



Fig. 84. Amblycorypha rotundifoUa (Scudd.) Female. 6 Enlarged end of ovipositor. 



(After Riley.) 



in the female, but little narrower than posterior; the hind margin of 

 deflexed lateral lobes oblique and less broadly roundpd than in ohlong- 

 tfolia. The ovipositor is more curved and more strongly serrate than 

 in either the preceding or the following species. The color is essen- 

 tially the same as that of ohlongifolia. Pink specimens have been 

 recorded from Pennsylvania, but they a})pear much more rarely 

 than in the preceding species. 



Measurements: Male — Lciigih of l)0(ly. li) nun.: of tcgiuina. 27 

 mm.; of posterior femora, 25 mm.; of pronotum, 5 mm.; width of 

 tegmina, 10 mm. l^Vmale — Leng-fh of body, 20 mm.; of tegmina, 27 

 mm.; of pronotum, (i mm.; of ovipositor, 10 mm.; width of tegmina, 

 10 mm. 



The round-winged katydid is also a common insect throughout In- 

 diana, though more abundant in the southern half of the State. It 

 is more of a terrestrial speci(>s tluni ohlongifolia, being often seen on 

 the ground, or on the clumps of tall grass and weeds, which grow in 

 damp ravines. Its flight is comparatively noiseless and less prolonged 

 1h;in that of tlic ])iH'('eding s])ecies. In southern Indiana the males 

 become mature about (he fifth of July; the females a week later. 

 Of its note, Mr. Scudder savs: ''This insect stridulates l)oth bv dav 



