538 SOME NEW AND LITTLE-KNOWN EXOTIC THYSANOPTERA 



broad; dorsal surface strongly reticulate. Wings present, 

 reaching to sixth abdominal segment ; edges and basal third 

 tinged with greyish brown, cilia dark ; median vein running 

 almost to the basal third, dark brown and shaded to greyish- 

 brown towards its end. Hind and intermediate legs moderately 

 long and stout. 



Antenna somewhat broad, though not as broad as ptero- 

 thorax, widening to third segment, and from thence narrowing 

 to tube. Tube more than three times as long as broad at 

 base, and one and one-fifth as long as the head ; sparsely and 

 minutely setose ; sides narrowing evenly to tip, where it is 

 about two-fifths as broad as at base. Terminal bristles 

 slender, about three-quarters the length of tube, and those at 

 apex of ninth segment stronger and as long as the tube. 

 Other abdominal bristles strong and pale-coloured, excepting 

 a short pair of dark ones on each of the segments seven and 

 eight. Bristles on segments four to seven very long, including 

 one pair on each segment longer than the others. 



Type. — In the Leyden Museum. 



Habitat. — Two males collected by Mr. Th. F. Lucassen at 

 Sambas, Borneo, in May, 1890. 



Genus DOCESSISSOPHOTHRIPS Bagnall, 1908 



Docessissophothrips monstrosus sp. n. (PI. xiv., fig. 25). 



Length, 5*0 mm. or more. 



The specimen is dried and badly mounted ; the head is 

 shown laterally, and is severed from the prothorax, which 

 latter is up-ended. The abdomen is curled inwards, the tube 

 is absent, the antennae are mutilated, whilst the legs and other 

 members are either mutilated or in such a position as to be 

 difficult to describe. 



The head is strongly compressed laterally, and occupies 

 more than one quarter the total length of the body. The 

 dorsal margin is strongly arcuate, the eyes are on the same 

 level as the juncture of head with prothorax ; the vertex is 



