168 PYEGOMORPHIN-15. 



Genus AULARCHES. 

 AularcJies, StSl, Q^fv. Vet.-Akad. Forli. xxx (4), 1873, p. ol. 



Type, Gryllus (Locusta) vnlutris, L. 



Range. Indian Eegion. 



Size large, body atout, pronotum tuberculate, wings large, 

 coloured. Head large, smooth ; scutellum of the vertex very 

 shoi't, triangular, contracting uninterruptedly into a narrow 

 sulcated frontal ridge ceasing below the antennae ; lateral carina? 

 very distinct, running within the eyes, and slightly divergent to 

 the extremity of the clypeus, which is broad and truncated. 

 Antenna) rather long, placed between the eyes, and composed 

 of a number of long joints. Pronotum strongly tuberculate 

 above, with two large contiguous humps in front, cut by the 

 three sulci, the last sulcus placed about the middle, the hinder 

 area rugose and deeply pitted at the sides ; deiiexed lobes 

 rounded behind. Tegmina long, moderately broad, subparallel- 

 sided, obtusely rounded behind, Avith callous spots ; wings 

 membranous, opaque, as long as the tegmina, and moderately 

 broad. Abdomen slightly compressed, legs long and slender. 

 Hind femora unarmed, and only slightly thickened. 



The forms below are regarded by some authors as varieties of 

 one species. 



Kc'il to the Species. 



1 (2) Head pale miliaris, L., p. 168. 



2 (1) Head black. 



3 (4:) Front humps of pronotum black .... ininctatuSjDvwvy, •[).\(S{). 



4 (3) Front humps of pronotum yellow scahiosa', F., p. 170. 



200. Aularches miliaris, L. 



Gryllus {Locusta) miliaris, Linnaeus, Syst. jVat. (ed. x.) i, 1758, 



p. 432 ; Linnieus, Mus. Lud. Ulric. 1764, p. 142. 

 Acrydiwn verriicosiim, DeGeer, Mt5m. Ins. iii, 1773, p. 486, pi. xl, 



tig. 6. 

 Grylhis {Locusta) scahiusus, StoU {iu'c Fabr.), Spectres, Saut. I8l3, 



p. 18, pi. 76, tig. 24. 

 Gryllus {Locusta) co)ispcrcus, Stoll, op. cit. 1813, p. 40, pi. 22(), 



tig. ^5. 

 Aulurclics miliaris, Stal, Recens. Orth. i, 1873, p. 18. 



Head yellowish, or more or less mottled with brown above ; 

 pronotum yellow on the sides, generallj^ with at least the spines 

 and hinder area black. Frontal lobe with two large rounded 

 contiguous elevations in front, black, or rarely pale ; the space 

 between the sulci with several strong pointed conical tubercles on 

 each side ; the hinder lobe very rugose, deeply pitted, and rounded 

 behind, with a row of short spines on the margin, not close 

 together. Tegmina light brown, very thickly reticulated with 

 yello\\' nervures, and a\ ith a variable number of large and small 



