290 Mr. E,. S. Bagnall on new Tliysanoptera. 



and Dracothrips, nov. * Antennae moderately slender, 

 fourth joint about 0*8 the length of third. Cheeks rather 

 closely set with long and short setJB, somewhat as in 

 D. grayidls, Bagn. 



Prothorax about 0"4 the length of head, setae only 

 moderately long, those at anterior angles directed forwards. 

 Fore-femora incrassate, with numerous outer marginal setae, 

 including several unequal-sized longer ones, much as in 

 T). champioyiif Bagn. ; setaj liglit^-coloured, a slender sickle- 

 shaped brown spine at apex. Tarsal tooth long and sharp. 

 Hind-legs very long and slender. Wings reaching to the 

 fifth abdominal segment. 



Abdomen long, segment 8 a little longer than 7. Tube 

 slender, about 0'75 tlie length of the head and as long or a 

 little longer than the seventh segment. Terminal bristles 

 0'8 the length and those on U almost as long as the tube. 



Type. Hope Collections, University ]\luseum, Oxford. 



Ilah. Ceylon : Peradeniya, 1 ^ taken in association with 

 another I) icaiothrips not yet determined, from decayed pods 

 o{ Phaseolus sp, [E, E. Green, No. 1^023). I have })leasure 

 in naming the species in honour of its well-known discoverer, 

 to whom I am indebted for much interesting material and 

 information. 



Genus Deacothrips, nov. 



Near MecynotJirips, Bagn. Head widest at base, narrowing 

 to eyes; eyes finely facetted, prominent; vtrtcx strongly 

 ])ro(luced, produced part narrow at base and widening to seat 

 of antennse. Two pairs of dorsal cc|)halic bristles. Antenna? 

 very long and slender. Prothorax without the long re- 

 curved prolongations seen in Mecynothrips, and fore^femora 

 unarmed. Tube long. 



Type. Dracollirips ceylonicus, sp. n. 



Dracothvips ceylonicus^ sp. n. 



f^ ('?). — Length a little over 7*0 mm. 



H(;ad broad at base, narrowing to about 0*7 that width at 

 behind eyes ', produced part not I'o times as long as eye, 

 narrow at base. Antcmiai very slender, about 1'4 times as 

 long as head, joints 3-5 yellow, black at apices, 6 yellow at 

 base ; relative lengthg of joints 8-5 approximately : — 

 65 : 55 : 40, A i)air of dorsal bristles in addition to the 

 ])ostocular pair, and three pairs of rather long genal sctaj. 



* It should be noted that Dicatothn'ps denticolh's, Pia<rnall, a Malayan 

 form, posscssos tliis additinual pair of dorsjil ct'plialic bristles, 



