NEW GENESA A\D SPECIES OF A.VSTSALIAN THTSANOPTEKA—nOOD. 143 



Abdomen rather stout and heavy. Tube about 0-7 as long as head, sides 

 straight. Bristles long, darli, and prominent, those at apex of segments 7 and 9 equal 

 in length to tube and to terminal bristles. 



^Slertsiuements of holotyiie : — Length 1-82 mm. ; head, length 0-290 mm., width 

 0-262 mm. ; prothorax, length (along median dorsal line) 0-122 mm., width (inclusive 

 of cox») 0-354 mm. ; pterothorax, width 0-414 nnn. ; abdomen, width 0-462 mm. ; 

 tul>o, length 0-210 mm., width at base 0-090 mm., at apex 0-048 mm. 



Antenna! segments : 

 Length (/x) 

 Width {(J,) 



Total length of antenna, 0-473 mm. 



2Iak {macropteroii^). — Length about 1-9 mm. Almost identical with female in 

 colour and structure, but with segments 3 and 4 of antennie, and apex of segment 2, 

 j^ellowish ; fore tibia yellow toward apex, and fore tarsi yellow, armed \vith a stout 

 triangniar tooth ; pterothorax and fore femora enlarged, the former with strong 

 median thickening ; scale at base of tube prominent. 



^Measurements of allotype : — Length 1-86 mm. ; head, length 0-283 mm., width 

 0-236 mm. ; prothora.x, length 0-163 )nm., width (inclusive of coxre) 0-384 mm. : 

 pterothorax. width 0-420 mm. ; abdomen, width 0-510 mm. ; tube, length 0-224 mm., 

 width at base 0-114 mm., at apex 0-047 jnm. 



Antennal segments ; 12 3 4 5 



Length (/x) 45 63 91 80 78 



Width (jj.) 44 33 30 34 32 



Total length of antenna, 0-511 mm. 



Described from one female and one male, taken by " sweeping top of Pyramid 

 Mt., 3,000 ft., Casuarina and bushes," Nelson, N.Q., August 7, 1912, by Mr. A. A. 

 Girault. 



Strictly congeneric with C. latm and its allies, but remarkable for the 

 anteriorlj^ broadened head. 



CRYPTOTHRIPS BADIUS sp. nov. 



Female {apterous). — Length about 2-1 mm. Colour uniform dark blackish 

 brown, with tarsi, articulations of legs, apex of segment 2 of antennae and base of 

 segment 3, yellow or yello\vish. 



Head about 1-65 times as long as wide, sides and occiput with anastomosing 

 lines, sides sinuate, narrowed equally behind eyes and at base, and as wide in inter- 

 mediate portion as across eyes ; postocular bristles pointed, longer than eyes, and 

 situated close to their inner posterior margins ; other bristles minute. E3'es prominent 

 and protruding, about one-fifth as long as head and a little more than half as wide as 

 their interval. Anterior ocellus mijiute, posterior ocelli wanting. Antennas long 

 and slender, about 1-8 times as long as head, structure normal to genus ; segment 3 

 with one sense-cone on inner and one on outer surface. Mouth-cone shorti and broadly 

 rounded. 



