ACBIDIDJS. C89 



28. CALOPTENUS MUTATOB. 



Mas et foem. Fulvus, graciles ; caput et prothorax viltis duabus pallide 

 flavis nigro subrnarginatis ; fastigium longum, planum y antice 

 rotundatum; antenna fulva^ aut picea, aut nigricantes ; prothorax 

 subtiliter scaber, disco subtricarinato fere piano; prosterni spina 

 crassa, transversa, albida aut fulva, non attenuata; femora postica 

 abdomini aquilonga, extus guttis nigris bivittata aut nigro plagiata, 

 intus nigricante biplagiata ; tibia postica testacea aut rufa, nigro 

 bifasciata ; ala antica pallide cinerea, abdomini ctquilonga t maculis 

 guttisque plurimis obscure cinereis nigro venosis. 



Male and female. Tawny, slender. Head and prothorax with two 

 pale yellow slightly black-bordered stripes which are lanceolate between 

 the eyes. Head smooth ; tip of the vertex flat, elongate, rounded in front; 

 front very thinly punctured, with four slightly-defined keels which diverge 

 towards the face. Eyes elongate-elliptical, with more or less distinct brown 

 lines. Antennae tawny, or piceous, or blackish. Prothorax finely scabrous ; 

 disk nearly flat, with three very slight keels, the middle one black ; trans- 

 verse impressed lines distinct; fore border nearly straight ; sides slightly 

 rounded; hind border rounded. Prosternal spine whitish or tawny, trans*- 

 verse, thick, not narrower towards the tip, which is rounded. Hind femora 

 as long as the abdomen, with two large blackish patches on the inner side 

 and with two rows of black dots on,.the outer side; these marks are very 

 variable and sometimes the dots are replaced by patches ; hind tibia? pale 

 testaceous, rather shorter than the hind femora, with two black bands near 

 the base, sometimes partly or wholly red, their spines with black tips. 

 Fore wings pale cinereous, as long as the abdomen, with many dark 

 cinereous black-veined spots and dots; veins elsewhere whitish or testa- 

 ceous. Hind wings pellucid; veins black, pale testaceous towards the 

 base and along the interior border. Length of the body 10 18 lines ; 

 expansion of the fore wings 18 30 lines. 



Egypt and Arabia. In Mr. Lord's collection. 



29. CALOPTENUS CINCTICOLLIS. 



Mas et foem. Fulvus; caput postice albidum ; fastigium subpentagonale, 

 nonnunquam ferrugineum aut nigricans, frontis disco ferrugineo ; 

 antenna nonnunquam picea; prothorax subtiliter scaber y fasciis 

 duabus latis piceis autferrugineis, margine antico vix inciso, margine 

 postico valde rotundato ; prosterni spina longa, crassa, apice rotun- 

 data ; femora postica abdomini aquilonga, fusco bifasciata aut tri- 

 fasciata, subtus atra; tibia postica flava, fascia nigra purpureo 

 rufoque marginata ; ala antica pallide cinerea, abdomini aqui- 

 longa. Var. /3 Femora postica non fasciata. Var. y. Prothorax 

 nonfasciatus. 



Male and female. Tawny. Head smooth, whitish about the hind 

 part; tip of the vertex flat, subpentagonal, some lines ferruginous or 

 blackish ; front with a ferruginous disk ; four slight keels which diverge 

 towards the face. Eyes ferruginous, elongate-elliptical, nearly straight on 



