144 MEMOISS OF THE QUEENSLAND MVSEVM. 



Prothorax \\ith anastomosing lines along posterior margin and witli a long, 

 distinct, median thickening ; all bristles pointed and moderate in size, the two pos- 

 terior j)airs longest ami strongest, the anterior marginals greatly reduced. Pterotho ax 

 reduced. Fore tarsus unarmed. 



Abdomen stout, heavy, much broader than pterothorax. Tube about three- 

 fourths as long as head and about 2-() times as wide at base as at apex, sides concave ; 

 ail bristles yellowish, pointed, the terminal bristles shorter than tube. 



Measurements of holot3'pe : — Length 2-08 mm. : head, length 0-348 mm., width 

 0-211 mm. ; pterothorax, length 0-192 mm., width (inclu.sive of coxae) 0-372 mm. ; 

 pterothorax, ^ridth 0-360 mm. ; abdomen, width 0-552 mm. ; tube, length 0-264 mm., 

 width at base 0-118 mm., at apex 0-044 mm. 



Antennal segments : 12 3 4 



length (/Li) 63 69 104 104 



Width (jx) 51 39 35 37 



Total length of antenna, 0-024 mm. 



Male (apterous). — Verj' similar to female iji colour and structure, but with the 

 fore tarsus armed with a .stout triangular tooth and the tube with a prominent '" .scale" 

 at base. 



Measurements of allotype : — Length 1-75 mm. ; head, length 0-305 mm., width 

 0-200 mm. ; prothorax, length 0-169 mm., width (inclusive of coxte) 0-236 mm. ; 

 pterothorax, width 0-324 mm. ; abdomen, width 0-468 mm. ; tube, length 0-220 mm., 

 width at base 0-099 mm., at apex 0-045 mm. 



Antennal segments : 12 3 



Length (/x) 57 63 94 



Width ifx) 47 36 35 



Total length of antenna, 0-570 mm. 



Described from two feinales and three males, taken by sweeping in forest, 

 Nelson, N.(^, January 29, August 27-28, October 9, and November 2, 1912, by Mr. 

 A. A. Girault. 



Very close to C. icaras, but easily known by the longer head and the different 

 coloration. 



CRYPTOTHRIPS DOLICHOS sp. no v. 



Male (aple.roui). — Length about 2-1 mm. Cdloiii' light yellowish liriiwn, with 

 last four .segments of abdomen nearly black. 



Head very long and slender, 2-1 times as long as wide, sides sinuate, narrowest 

 a little behind eyes and narrowed again at base, smooth above, cheeks with several 

 rather strong bristles ; vertex not ])r()du(;e(i ; postocular bristles long, pointed ; 

 another pair of strong })ri.stles between and near eyes. Ej'cs small but prominent and 

 strongly protruding, only about one-sixth the length of head and less than half as wide 

 as their interval. Ocelli wantiuL'. .Antennal segment 1 elongate, ('([ua! in length to 2 ; 

 remaining .segm(-nts wanting in the uni(iue 'y|'e. 



