1921.] G3 



b. Post-ocular bristles absent. 



aa. Fore ivi/ic/ loith 2 setae in the distal half of vjrper vein near tip ; 

 hind ?narf/in of f>th ahdomimd tertjile frimjcd ; inter-ocellar bristles 

 situated between the posterior pair of ocelli. 



Plii/sothrijys consociafa (Targ.-Tozz.) =P. ulmifoliorum of Uzcl 

 owe Hallday. All available material requires close study. 



l)b. Fore ivinii with 8 setae in the distal hcdf of upper rein: hind marijin 

 of 6th ahdoiiiinal teri/ite not frini^eil; tnter-ocellar bristles situated 

 iatinediately a!>ove each posterior ocellus. 



Pliysotltrips liispanicus, sp. n. 



$. Length about ri nun. 



Head und abdomen dark grey-brown, the latter darkest posteriorly; 

 pterothorax orange-yeUow sha(1ed with grty, and pronotinu of a lighter yellow. 

 Legs pale yellow lightly toiadied with grey, e.-pfci;illy tiie I'emora in their 

 outer margins; wings greyish. Antennal joint 1 yellowish-grey; '2, distal 

 half o:' 6, and style grey-brown; 3 pale yellowish white; 4, 5, and basal half 

 of G pale yellow ; 4 and 5 shaded with light givy at apices. 



Head tranverse about 1'4 times as wide as long ; dorsal surface posteriorly 

 coarsely and irrt-gularly transversely striate; eyes large, occupying 0'6 the 

 total dorsal length of head; coarsely facetted; ocelli large, the posterior pair 

 above a line drawn across the hind margins of the eyes, the inter-ocellar setae 

 situated immediately above each posterior ocellus, moderately long and stoutish. 

 INLinor setae on a wavy line dr.iwn across the posterior margins and two pairs 

 of longer setae between eyes, the outer pair touching the inner margin of e}e9 

 at each side of, and the inner inner pnir just above, the anterior ocellus. 

 Antennae nearly twice as long as the head, intermediate joints short and stout; 

 relative lengths of joints 3-6 and style (7-1-8^ approximately as follows: — 

 32 : 30 : 28 : 39 : J 9. 



Pronotum 1'2 times as wide as long and L4 times as long as the head; 

 setae at hind angles approximately subequal, the inner pair not noticeably 

 longer than the outer, about 0'3 tlie length of the pronotum ; the median pair 

 of the postero-marginal series nejady 0'5 the length of those at posterior angles. 

 Pterothorax stout ; setae of fore wings long, 8 or 9 on hind vein, very distinctly 

 longer than the spaces separating them ; 3 on distal half of u])per vein, one 

 uear middle and two at tip. 



Abdomen elougate-ovate ; posterior margin of 8th tergite simple, except 

 minute indications of comb at each side. Terminal bristles stout aud long^ 

 those on 10 about O'S the length of those on 9 and not so stout. 



J, About 9 mm. More slender than the female. Prothorax and 

 pterothorax wholly suffused with grey-brown, though the orange-yellow basis 

 is distinctly seen in the pterothorax. The 2nd antennal joint light yellow- 

 grey, joints 8 and style shorter than in female; relative lengths of joints 3-0 

 and style (7-l-8j approximately as lollows : — 31 : 30 : 27 : 34 : 10. 



Tergite 8 with a series of 4 long approxiunitely equidistant dorsal bristles 

 ill a straight line, the inner pair being I'o times longer than the outer. 



