226 APPENDIX. CEBATOCOMBID^:. 



Family CERATOCOMBID^. 



(Vol. II, p. 408.) 



Genus CERATOCOMBUS. 



Ceratocombus, Sign. Ann. Soc. Ent. Fr. x, p. 541 (1852) ; Fieb. Eur. 

 Hem. pp. 39 & 142 (1861) ; Reut. Act. Soc. Scient. Fenn. xix, no. 6, 

 p. 4 (1891) ; Sound. Hem. Het. Brit. Islds. p. 188 (1892). 



Lichenobia, Baer. Berl. ent. Zeitschr. i, p. 165 (1857). 



Subgen. Leptonannus, Trichotonannus, Xylonannus, Rent. torn. cit. 

 pp. 5, 6 & 8 (1891). 



Type, C. coleoptratus, Zetterst. 



Distribution. Probably of almost universal distribution. 



" Head convex, eyes very far apart, the ocelli placed close to 

 their inner margin ; antennae with their first and second joints 

 stout, the third longer than the first and second together, fourth 

 subequal to the third, third and fourth very thin, clothed with long 

 hairs ; pronotum convex, nearly square, sides subparallel, straight ; 

 scutellum triangular, its sides and base about equal ; elytra very 

 rarely developed; in the undeveloped form each consists of a 

 convex simple sheath covering the abdomen, nerves apparent 

 towards the apex, lateral margins reflexed at the base ; in the 

 developed form the elytra are widened behind, the clavus is distinctly 

 marked, and there appears to be a somewhat distinct membrane ; 

 legs with the anterior coxae very large, tibiae rather stout, tarsi 

 three-jointed." (Sounders.) 



3003. Ceratocombus setulosus, Reut. (Trichotonannus), Act. Soc. 

 Scient. Fenn. xix, no. 6, p. 6. f. 2 (1891). 



" Fuliginous, opaque, above fuscously setulose, setae in certain 

 lights flavous, head longly setose ; rostrum, antennae, and legs 



Fig. 125. Ceratocombus setulosus. 



palely flavous-testaceous ; pronotum at base less than twice as 

 broad as long, lateral margins with 4-5 long rigid exserted set*." 



