ACRIDIDiE. 7G3 



60. Stenobothrus productus. 

 Mas. Testaceus ; caput et prothorax fusco bilineata ; vertex fusco 

 bilinealiis, fasligii sulcis lateralihus vix conspicuis ; frons sub- 

 obliqua ; antennce plana, apice.i versus fuscce ; prothorax albido tri- 

 carinatus, siriyis duabus jfuscis posticis latis, carinis lateralibus 

 subjlexis, margine poslico rotundalo ; alee cineri-a; ; ula anticce fusco 

 gutlatm et apud coslam strigatce, slriga discali e gutlis pallide testaceis. 

 Var. j3. — Ferruginea ; caput et prothorax innotata ; al(e anticce non 

 sir ig alee. 



Male. Testaceous. Head and prothorax on each side with a brown 

 line which extends from the hind border of the eye along the lateral keel 

 of the prothorax. Head with two brown lines on the vertex ; tip of the 

 latter conical, depressed; lateral furrows hardly defined; front slightly 

 oblique, with four well-defined diverging keels ; inner keels connected and 

 forming a ridge between the sockets of the antennae. Antennae flattened, 

 brown towards the tips, longer than the prothorax. Prothorax with three 

 well-defined whitish keels; the lateral keels slightly diverging along the 

 hinder half; a broad brown streak between the second transverse furrow 

 and the hind border, which is rounded. Hind femora a little longer than 

 the abdomen. Wings cinereous. Fore wings with many brown dots ; 

 a discal streak composed of pale testaceous dots; a broad brown costal 

 streak in front of the latter. Var. /3. — Ferruginous. Head and prothorax 

 without markings. Fore wings wholly cinereous, except the brown dots. 

 Length of the body 9 lines; expansion of the fore wings 16 lines. 



a, b. Gaboon, W. Africa. Presented by F. Moore, Esq. 



61. Stenobothrus minusculus. 



Mas. Fulvus ; fastigium acutum, sulcis lateralibus lanceolatis ; frons 

 subobliqua ; antenncE fuscce, longce, basi fulvce ; prothorax nigricante 

 bivittatus, carina media bene determinata, carinis lateralibus angu- 

 latis strigisque duabus exterioribus testaceis ; femora postica nigricante 

 bifasciata ; tibice posticee basi testaceo unifasciata ; ala: anticte 

 fuscescente cinerece, gultis duabus albidis ; ala: posticee cinerece, apive 

 fusc(£. 



Male. Tawny. Vertex with two very slight keels; tip acutely 

 conical ; furrow on each side lanceolate ; front slightly oblique, with four 

 well-defined slightly diverging keels; inner keels connected where they 

 join the tip of the vertex. Antennae brown, filiform, Iqpger than the head 

 and the prothorax together, tawny towards the base. Prothorax with a 

 well-defined middle keel, and with two slight distinctly angular testaceous 

 lateral keels which intersect two blackish stripes; a testaceous streak on 

 each side; hind border elongated, angular. Abdomen testaceous, keeled. 

 Hind femora much longer than the abdomen, with two irregular blackish 

 bands and with blackish tips. Hind tibiae with a testaceous band near the 

 base. Fore wings brownish cinereous, darkest near the costa, with two 

 whitish dots; first dot subcostal, antemedial ; second smaller than the first, 

 discal, postmedial. Hind wings cinereous, brown about their tips, with a 



