Species of New- Zealand Cohoptera. 403 



antennae nigro-fuscous, joints 3-7 of these latter greyisli at 

 the extremity, mandibles and claws infuscate red. 



Antenn(B densely pubescent, reaching backwards to middle 

 thighs; basal joint stout and distinctly longer than third, 

 which is hardly longer than second ; 4-6 equal and rather 

 thicker than the following ones; 7-10 very slender at the 

 base ; eleventh as long as tenth, elongate-oval. Head short, 

 quite half the width of front of tliorax, indistinctly and 

 minutely sculptured. Thorax nearly twice as broad as lono-, 

 very slightly rounded, with raised frontal margin, tlie 

 anterior angles obsolete ; its sides curved, with thick 

 reflexed margins ; base marginated, very slightly rounded, 

 not medially emarginated, its angles indefinite ; the surface 

 closely and minutely punctate and covered with very slender 

 pubescence, depressed at the base. ScuteUum broadly tri- 

 angular, not smooth. Elytra as wide as thorax, their sides 

 subparallel, distinctly margined except at the shoulders, 

 apices individually rounded ; their whole surface closely and 

 rugosely but not coarsely punctured, and studded with 

 minute granules on the intervals. Tarsi elongate, fourth 

 joint of the posterior with elongate lobes, claws thickened 

 and angulate. 



Underside dull black, closely and finely punctate and 

 pubescent. Front and middle coxse contiguous. Meta- 

 sternum with a slight mesial groove. Sixth ventral segment 

 strongly incurved at the apex. 



Larger and more opaque than A. sinueilus, the elytra with 

 less sharply definite punctures, but with granulate interstices 

 this last character being quite distinctive. 

 Length 3; breadth 1^ line. 

 Kaitoke. Four examples from Mr. G. V. Hudson. 



Asilis interstitialis, sp. n. 



Elongate, moderately shining^ thorax glossy ; black, legs 

 and antennse piceo-fuscous, claws and mandibles fusco- 

 rufous. 



Head with two shallow inter-ocular punctures. Thorax 

 widely bisinuate at the base, and with a slight ano-ular 

 excision in front of the scutellum, basal region depressed, 

 with a punctiform fovea near each side, there is also a broad 

 median impi'ession behind, posterior angles subrectangular ; 

 its surface with very fine, sharply defined, but not close 

 punctures. Scutellum medially impressed. Elytra mode- 

 rately coarsely and rugosely punctured. 



Easily separated from A. t/ranipennishy the coarser elvtral 



•2b* 



