360 COLEOPTERA 



verso, basi in medio canaliculato et bifoveata ; elytris striato-punctatis, 

 striis secundo tertioque subflexuosis, interstitiis parum convexis ; corpore 

 infra sparse punctato ; pedibiis colore dilutiore ; tibiis setulosis. 



Long., 1 1-4 lin. 



Great Barrier Island (Capt. Hutton). 



653. A. 2^2X2^^ Pascoe ; Ann. Mag. Nat. Hist., September, 1875. 

 A. ovata, nigra, squamis albis, aliquando maculatim nigrescentibus, 

 dense tecta ; antennis brevioribus ; clava articulis arete contiguis ; 

 capite prothoraceque rarissime punctatis, hoc fortiter transverso, basi in 

 medio impressa ; elytris striatis, striis subflexuosis, interstitiis rarissime 

 uniseriatim punctulatis ; corpor-e infra pedibusque ferrugineis, squamis 

 albis adspersis. 



Long., I J- if lin. 



Waikato (Capt. Hutton). 



In most specimens there is a dark round blotch on the middle of 

 each elytron, and vestiges of two or three smaller spots on the prothorax. 



Note. — Both species, I have no doubt, are denizens of the sea- 

 beach ; I found two of A. albata at Tairua, and one at Marsden Point, 

 Auckland, amongst shell-sand, where it is extremely difficult to detect 

 them. 



Group— DIAPERID^. 



Labial palpi strongly separated at their base. Inner lobe of the 

 maxillce unarmed. Last joint of the maxillary palpi variable. Mandi- 

 bles bifid at their extremity. Lah'iiin generally prominent. Head 

 short, immersed in the prothorax as far as the hind margin of the eyes ; 

 epistome separated from the forehead by a furrow, very short, rounded 

 or truncated anteriorly. Eyes transversal, more or less thick. Antennce 

 of variable form, perfoliated. Frotliorax as wide as the elytra at the 

 base, narrowed and emarginated in front. Scutelluiu rather large. 

 Elytra feebly embracing the body. Anterior coxce cylindrical and trans- 

 versal; tibial spurs obsolete ; Arrj-/ finely villose underneath. Projecting 

 intcrcoxal process short, acutely triangular. Mctasterniini elongate, its 

 episterna parallel, or gradually narrowed behind, its epimera distinct. 

 Mcsosternuni very often furcate, its branches divergent, and partly 

 receiving the prosternal process. Mesothoracic epimera rather wide. 

 Body winged. 



Menimus. 



Sharp ; Ent. Mon. Mag., Sept., 1876. 



Antennce breves, crassse, clavatse, i o-articulatae. 



Oculi parvi, vel minuti. 



Tarsi subtus longius setosi, posteriores articulo basali hand elongato. 



Last joint of maxillary /rt'/^z securiform. Eyes small or very minute. 

 Thorax strongly margined at the sides, and with the hind angles very 

 acutely adapted to the lateral margin of the elytra. Prostermcm with a 



