15-1 



OCDlPODiy^'E. 



Of obtusely angulated behind, the deflexed lobes higher than 

 long, the hinder angle obtuse, produced, the median carina only 

 slightly indicated, and cut by the principal sulcus much before 

 the middle. Teginina grey, with darker markings, membranous 

 almost throughout; wings bluish hyaline, or brightly coloured, 

 with a curved black band. Hitul femora generally black on the 

 inner side, hind tibite generally blue. 



Key to the Species. 



[1 (4) Wings with no dark band. 

 - (3) Tegmina brown, distinctly banded ; 



wings tinted with pale blue .... crcnilans, L., p. 154. 

 o (2) Tegmina brownish-testaceous; more 



vaguely banded ; wings with 



very little trace of blue rubescens, Walk., p. lo-"(. 



4 (1) Wings with a curved transverse 



band. 



5 (6) Wings with band confined to pos- 



terior half heiif/alensis, Sauss., p. l-ie. 



(» (•")) Wings with band extending from 

 costa to anal angle. 



7 (14) Wings without dark spot at the 



apex. 



8 (11) Wings with narrow light brown 



band. 



9 (10) Tegmina with intercalate vein 



strong, touching the apex of the 



median vein saviynyi, Sauss., p. 155. 



10 (9) Tejzmina with intercalate vein not 



touching- the apex of the median 



vein indus, Sauss., p. 15G. 



11 (8) Wings with broad dark baud. 



12 (13) Smaller ; base of wings scarcely 



blue halteatus, Serv., p. 157. 



13 (12) Larger; base of wings blue /c<«y?^je«?«/:s, Sauss., p. 156. 



14 (7) Wings with a broad dark spot at 



apex f/if/cii^, sp. n., p. 158.] 



17s. Sphiugonotus cserulans, L. 



Gri/Uiis Locustd cccndans, Linnaeus, Syst. Nat. (ed. xii.) i (2), 1767, 

 p. 701. 



Grey or light reddish-brown, the head and sides of pronotnm 

 often largely white or bluish-white. Antennae ringed with 

 reddish-bro\\n and yellowish- white. Pronotnm M-ith the median 

 carina very slightly marked, hind border rectangular. Tegmina 

 light brown on tlie basal third, then subhyaline, with more or less 

 numerous light brown spots and irregular transverse bands ; 

 wings hyaline, unspotted, generally light blue. Legs brown, 

 \\\t\i pale rings ; hind femora generally black on the inside, with 



