LATHRIDIDAE. 185 



3557. Corticaria clavatula sp. nov. 



Subovate, only moderately broad, nitid, with distinct yellowish 

 pubescence; piceo-fuscous, head faintly rufescent, legs and antennae 

 testaceous, club darker. 



Head rather broader than front of thorax, moderately but not closely 

 punctured. Eyes prominent, Avidely distant above, rather smaller than 

 usual. Thorax broader than long, widest just behind the middle, rather 

 more coarsely, but not closely, punctured than the liead, transversely 

 impressed near the base, witliout foveae, but with a transverse stria in 

 front of the basal margin. Scutellum large, broad, rounded behind. 

 Elytra more than twice the length of the thorax, somewhat broader than 

 it is at the base, widest near the middle, lateral margins invisible from 

 above; with subseriate, oblong, and rather distant punctures, shoulders 

 obtusely elevated, the sutural striae moderately distinct throughout, in 

 one example there is a longitudinal impression alongside the suture near 

 the base. 



Antennae scarcely as long as the head and thorax, with very slender 

 setae; 2nd joint oviform, rather shorter and much thinner than the 

 1st; joints 3-7 slender, gradually decreasing in length; 8th small and 

 moniliform; club rather short and broad, its l^asal joints obconical, 1st 

 slightly longer than broad, the next sliorter and broader, 3rd largest, 

 ovate. 



The moderately small rotundate eyes, broad sutural striae, the con 

 colorus body and flavescent legs, together with the antennal structure, 

 are distinctive. 



Length, IJmm. ; breadth, J mm. 



Epsom, Auckland. Two examples, November and December, 1911, 

 amongst decaying leaves between rough scoria bouldeis. 



3558. Lithostygnus serripennis sp. nov. Lithostygnus Broun. Man. N.Z. 

 Coleopt., p. 950. 



Slender, elongate, slightly convex, j^^labi-ous, shining; cliestnut-red, 

 antennae and tarsi fulvescent. 



Head oblong, slightly narrowed anteriorly, with a pair of ill-defined 

 carinae, these are somewhat curved from the eyes towards the middle 

 and then prolonged obliquely forwards, so as to become convergent in 

 front, though not smooth there is no distinct sculpture. 



Thorax not as long as broad, its sides broadly flattened and finely 

 crenate, widest l:)efore the middle, gradually narrowed backwards, with 

 acute posterior angles; a broad depression near the front has sharply 

 elevated, but rather irregular, apical and lateral margins, behind it is 

 obtusely bituberculate ; another depression extends right across the disc, 

 and is bounded by the obtuse, transverse basal ridge. Elytra oblong- 

 oval, double the length of the thorax, hardly wi<ler than it is at the 

 base; on each elytion there are 2 slender dorsal costae, the outer forms 

 the dorsal rim almost from the base to the extremity, the inner is nearlv 

 straight, it extends from the base and is very slightly curved inwardlv 

 rear the apex, the suture is just as distinctly raised throughout; between 

 each of these there are double series of large, subquadrate, punctiform 

 impressions; the lateral margins bear many minute denticles and there- 

 fore appear serrate. 



Antennae short, basal joint tliick and subijuadrate, 2nd of nearly 

 similar form but much smaller, joints 3-9 slender, small and moniliforni. 



