184 Transactions. 



densely and minutely sculptured. Elytra broadly impressed before and 

 behind the middle. Pubescence bright yellow, rather scanty. 

 5 . Length, nearly 1;^ lines ; breadth, quite ^ line. 

 Moeraki. One only. 



A. sericatus, Broun. 1752. Man. N.Z. Coleopt., p. 970. 



Castaneo-rufous, legs infuscate, the head and club piceous ; pubescence 

 yellow, not at all scanty. 



Thorax broadly impressed from the base to beyond the middle, moderately 

 coarsely and closely punctured relatively. Elytra paler than thorax, their 

 sides, however, somewhat infuscate, the base biarcuate, slightly transversely 

 impressed before and behind the middle. 



3 . Length, 1| lines ; breadth, quite \ line. 



Paparoa, near Howick. L^nique. 



A. rufescens, Broun. Ann. Mag. Nat. Hist., January, 1907. 



Shining, ■ infuscate red, elytra paler, rostrum red ; pubescence bright 

 yellow. 



Thorax longitudinally but not deeply impressed. Elytra widest behind 

 the posterior femora, gradually narrowed towards the base, indistinctly 

 impressed before the middle. Antenn;e very elongate. Scape distinctly 

 flexuous. 



Length, \\ lines ; breadth, quite J line. 



Dunedin. One. 



A. bi-impressus, sp. nov. 



-Subdepressed, elongate, only slightly nitid ; rostrum, thorax, and 

 antennae piceo-rufous ; head, club, and elytra piceous, these last more 

 rufescent near the base ; knees and tarsi paler ; club quite opaque, densely 

 and minutely pubescent ; clothed with silky yellow hairs, most conspicuous 

 on the thorax. 



Rostrum rather slender, gradually narrowed towards its base, its 

 punctuation nearly seriate, finer in front than behind. Thorax evidently 

 longer than broad, its sides moderately rounded, abruptly contracted 

 near the apex, which is sparingly puiictured ; disc with a broad shallow 

 impression, distinctly and rather closely but not coarsely punctured. 

 Scutellum small. Elytra subtruncate and evidently broader than thorax 

 at the base, gradually narrowed posteriorly, broadly impressed before 

 and behind the middle ; their sculpture indefinite, striate-punctate, sub- 

 striate at the base, the 3rd and 4th striae moderately distinct, the suture 

 and interstices with serial punctures, the 2nd and the suture somewhat 

 thickened and elevated near the extremity. Scape curvate, inserted 

 immediately lief ore the middle ; 2nd joint of funiculus longer than 3rd, 

 joints 3-5 moniliform. Club oblong-oval. 



The nearest species is ^-1. ruficnJIis, which, however, has less expanded 

 penultimate tarsal joints, and only one impression across the elytra. 



Length, 1;^ line ; breadth, quite ^ line. 



Waiorongomai, Mount Te Aroha. Unique. 



Sericotrogus, Wollaston. Man. N.Z. Coleopt., p. 521. 



Body elongate, subparallel. moderately convex, distinctly pubescent. 



Rostrum shorter than the thorax, parallel, moderateh^ broad in both 

 sexes, slightly arched in front. Scape inserted just before the middle and 

 attaining the middle of the eye, straight, thickened apically. Funiculus 



