686 CATALOGTTE OF 



slight keels and with distinct transverse inapressed lines ; fore border nearly 

 stiaigbt; sides slightly rounded ; hind border nauch rounded. Proslernal 

 spine long, thick, rounded at the tip. Hind fenaora thick, as long as the 

 abdomen ; hind tibiae pale yellow, testaceous towards the base, a little 

 shorter than the hind femora, their spines with black tips. Wings pale 

 cinereous, as long as the abdomen ; veins pale. Length of the body 

 18 — 19 lines ; expansion of the fore wings 28 — 30 lines. 



a. VVady Genneh, Arabia. In Mr. Lord's collection. 



23. Caloptenus discoidalis. 



Mas. Testaceus, sat robuslus ; caput albidum, cinereo late univittatum, 

 fastigio conico ; antennce nigricanles ; prolhorax subtiliter scaber, 

 villa fiilva villisque duabus atbidis, necnon viltulis lateralibus quatuor 

 albidis quatuorque piceis, disco tricarinalo fere piano, margine 

 poslico valde rolundalo ; prosterni spina crassa, conica, longiuscula ; 

 femora poslica abdomine perpaullo breviora, supra nigricante 

 bifasciata, inlus nigra late univittata, extus nigra seriatim punctata; 

 alee anticcB diaphana, abdamine paullo longiores, fasciis maculis 

 punctisque fuscis nigra venosis. 



Male. Testaceous, rather stout. Head mostly whitish, smooth ; 

 vertex convex, wiih a broad ferruginous stripe which is narrower towards 

 the tip, the latter is depressed and conical; front thinly punctured, with 

 four distinct keels which diverge towards the face. Eyes ferruginous, 

 elliptical. Antennae blackish. Prothorax finely scabrous; disk nearly 

 flat, with three distinct keels, and with a tawny stripe which is angular on 

 each side and lanceolate towards the hind border, and is accompanied by a 

 whitish stripe on each side; four more exterior short stripes on each side, 

 two whitish and two piceous; fore border nearly straight; sides slightly 

 rounded ; hind border much rounded. Prosternal spine thick, conical, 

 rather long. Hind femora nearly as long as the abdomen, with two blackish 

 bands above, with a broad black stripe on the inner side and with a row of 

 black points on the outer side; hind tibife shorter than the bind femora, 

 their spines with black tips. Wings pellucid, a little longer than the abdo- 

 men. Fore wings with brown black-veined bands, spots, dots and points. 

 Hind wings witli black veins. Length of the body 13^ lines; expansion 

 of the fore wings 21 lines. 



a. Lower Egypt. From Mr. Lamb's collection. 



24. Caloptenus scriptipennis. 



Mas. Testaceus, robuslus; fasligium lineare, anguslum, depressum; 

 prolhorax subtiliter scaber, subcarinalus, poslice vix lalescens, disco 

 fere piano ; prosterni spina longa, crassa, subacula ; femora poslica 

 latissima, abdomini ccquilonga ; t.ibice poslica pallide flavce, intus 

 rufescentes ; alee anticcc pallide cinerecE, abdomini aquilonga:, guttis 

 plurimis antemediis obscurioribus, fasciis postmcdiis subohliquis 

 nigricantibus ; aid poslicce maculis nonnullis transvcrsis obscure 

 cinereis. 



