OF NEW ZEALAND. 1057 



OBS. Having recently obtained two or three examples of the 

 male sex of Euplectus trisulcicollis, I now give a description of its 

 characters : 



No. 265. Male. Legs robust ; two hind pairs of tibiae thick, 

 curvate ; the intermediate armed on the inside, near the extremity, 

 with a distinct protuberance. Abdomen with five well-marked~seg : 

 ments, first truncate behind, second angularly produced in the 

 middle, third and fourth transversely depressed, but with raised hind 

 margins, the fourth with an oblong (transverse) fovea on the middle, 

 fifth medially concave and uneven. Metasternum foveate. 



1889. E. SCFUpOSUS, n.s. Convex, narrowed and asperated 

 anteriorly, clothed with yellow pubescence, and having some long 

 upstanding hairs on the hind-body ; dark-red, legs pale chestnut-red, 

 tarsi yellow. 



Head narrow, with a smooth cuneiform depression on the middle, 

 the other parts of its surface rough with rather coarse punctures, 

 the occiput deeply emarginate behind, the incurvature with raised 

 borders. Antenna shorter than head and thorax, gradually incras- 

 sated, second joint as long as visible portion of first ; third rather 

 larger than fourth, obconical ; joints 4-6 bead-like, equal, small ; 

 seventh and eighth transverse, somewhat broader than the preced- 

 ing one ; ninth and tenth transverse, twice the bulk of eighth ; 

 eleventh largest. Thorax longer than broad, much narrowed an- 

 teriorly, widest near the middle, 'oviform ; its apical portion smooth, 

 the rest of its surface more or less coarsely punctured ; the dorsal 

 channel deep and narrow, not reaching the smooth part, with sharp 

 carinate margins, and terminating behind in an angular fossa ; there 

 is a large fovea near each hind angle, having a groove proceeding 

 from it along the side ; there is also a basal linear impression con- 

 necting these three foveae. Elytra broader than thorax ; sutural 

 and intrahumeral impressions broad and deep near the base ; they 

 are without distinct punctation. Hind-body broad, impunctate. 

 Legs stout, anterior femora very thick, twice as thick as the pos- 

 terior ; tibiae, especially the front pair, arcuate externally. 



The incrassate front thighs, together with the form and sculpture 

 of the head and thorax, prevent its being mistaken for any other 

 species. In general outline E. patruelis comes nearest to it. 



$ . Length, f ; breadth, nearly f line. 



One individual, found by Mr. G. Munro near Clevedon. 



1890. E. allocephalllS, n.s. Elongate, narrow, attenuated 

 posteriorly, subdepressed ; nitid, pubescence greyish-yellow ; red, 

 legs, antennae, and terminal segments of hind-body rufo-testaceous, 

 tarsi yellow. 



Head large, quadrate ; a large round depression just over the 

 point of insertion of antennae is united transversely to a similar one 

 on the opposite side, so that, when examined sideways, there appears 

 to be a deep hollow across the head ; the forehead forms, including 

 the all but obsolete tubercles, a broad uninterrupted curve on a 



