NEW GENF.RA AND SPECIES OF THYSANOPTERA 1 97 



Leurothrips albomaculata sp. n. (PL VI., figs, ii, 12)*. 



Length 3 mm. ; breadth of mesothorax about 0*45 mm. ; 

 greatest breadth of abdomen 0-9 mm. 



Coloiir coal-black, a white irregular band across the first 

 dorsally visible abdominal segment and a white patch on 

 each side of segment five at the extreme edge. Third 

 antennal joint and part of fourth yellow, all tarsi brown. 



Head large, transversely striate, reticulate near base ; 

 gradually widening behind eyes to posterior third (where the 

 head is swollen dorsally as well as laterally), and then as 

 gradually converging towards neck ; three times as long as pro- 

 thorax and almost as wide ; vertex raised and produced to a 

 point which separates basal joints of antenn?e. Eyes rather 

 small and moderately finely faceted, not prominent. Ocelli 

 absent. Mouth-cone comparatively blunt ; maxillary palpi with 

 the second joint narrower than and more than twice the length 

 of the first joint. Antcnnce but slightly longer than head, 

 separated at bases with a projection between them; inter- 

 mediate joints each furnished with a pair of sense-cones. 

 Joints three to six claviform, seven and eight fusiform ; third 

 joint one and one-half times the length of basal joints together, 

 and nearly twice the length of the fourth ; fifth and sixth 

 about one-sixth shorter than the fourth and fifth respectively, 

 and the penultimate and apical joints together equal to the 

 sixth. Basal joint black ; second black shaded to brown at 

 the apex; third and fourth yellow marked with brown at the 

 apices; fifth to eighth dark brown. 



Prothorax one-third the length of head and a little broader 

 than long; convex; roughly reticulate. Anterior coxa? com- 

 paratively large, armed with one small spine. Pferothorax2\\n.os\, 

 square, very slightly wider than prothorax, and wavily reticu- 

 late ; meso- and metasternum equal in breadth, sides of the 

 latter being straight and parallel. Wings absent. Legs long 

 and stout ; fore-femora only slightly thickened, and the tarsi 

 each armed with a small tooth ; sm.all and inconspicuous hairs 

 on the outer and inner surfaces of all femora and tibiae, with> 

 longer protective hairs at the apex of each tibia. 



* —Phlixothrips albosignata Reuter — see Addendum. 



