LIST or UOMOI'lEIlOfS INSECTS. 



12. Ptyelus obscurus. 



Nig'er ; abdomen basi testaceum ; alee antica apice fusca. 



Aphrophora obscuia, Germar, MSS. 



Black, shining : bead and chest flat, finely punctured, co- 

 vered with tawny down : head above very convex on the fore border, 

 concave on the hind border; face very slightly convex, with a rather 

 broad, flat, longitudinal stripe, on each side of which are twelve dis- 

 tinct slightly curved ridges ; mouth ferruginous at the base ; abdo- 

 men testaceous at the base: fore-wings blackish brown, narrow, and 

 conical towards the tips : hind-wings slightly gray, biown at the 

 tips and along the hind borders ; veins black, tawny at the base. 

 Length of the body 5 lines ; of the wings 1 1 lines. 



a. Cape. From M. Drege's collection. 



Var. 3. — Piceiis ; abdomen nigrum, basi ftthum ; pedes posiici 

 fulvi; aUe antica: fmcie. 



Pitchy, shining; head and chest flat, minutely punctured, 

 thickly covered with tawny down : head almost conical in from, 

 hardly concave on the hind border ; face very slightly convex, 

 thickly punctured, with about twelve equally distinct, hardly curved 

 ridges on each side : month tawny with a black tip : abdomen black, 

 tawny at the base: legs pitchy ; hind legs tawny : fore-wings dark 

 brown, narrow and conical towards the tips: hind-wings slightly 

 gray, brown at the tips and along part of the hind border; veins 

 black, tawny at the base. Length of the body 4 J lines ; of the wings 

 10 lines. 



b. South Africa. Presented by Dr. A. Smith. 



13. PTYELnS OOSTALIS. 



Testaceus ; caput nigra varium ; scutellum piceo fascialum ; ab- 

 domen nigrum ; pedes picei, tibiis tarsisque posticis fulvis ; alee 

 anticce fuscw. 



Testaceous, shining: head and chest flat, minutely punc- 

 tured : head semicircular above, almost straight along the hind 

 border, wilh four black dots on the fore border ; face black, partly 

 yellow on each side, with abroad, flat, longitudinal stripe, on each 

 side of which are six or eight slight, very oblique ridges ; epistoma 



