Mr. R. S. Bagnall on new Thijsanoptera. 215 



1 -f 1 on 5 which are not so stout, and 1 + 1 slender cones on 6 ; 

 1 long slender one on 7. 



Sense-bristles at end of maxillary and labial palpi long. 

 Postocular setae about as long as the eye, apex dilated. 



Prothorax about 0'8 as long as the head and a little more 

 than 1*5 times as broad, from 2*1 to 2"4 times as broad as 

 long. All setse present, colourless, and also a well-developed 

 accessory pair at posterior angles, dilated apically ; those at 

 posterior angles the longest, about OG the length of the 

 pronotum, those at the anterior angles being about 0*35 the 

 length. Fore-coxse scarcely projecting, each furnished with 

 1 prominent seta. Femora somewhat stout, fore-femora 

 short, incrassate ; fore-tarsi simple, unarmed. Pterothorax 

 only slightly broader than long. Wings only reaching to 

 about abdominal segment 6; broad, fore-wings about 10 

 times as long as broad ; duplicated cilia 11 to 14, in two cases 

 17 and 18. 



Abdomen only a little broader than the pterothorax, 

 gradually narrowing to tube from segment 6. Tube about 

 0'9 as long as the head, twice as long as broad at base, and 

 little more than 0*4 as broad at apex as at base. Terminal 

 hairs brownish, about 06 as long as the tube. Abdominal 

 seta? well developed, yellow or colourless, dilated at apex, 

 those on 9, but slightly dilated at apes, are a little more than 

 0'8 the length of the tube. 



Type. In British Museum of Natural History (Imperial 

 Bureau of Entomology). 



Hob. Gold Coast, Aburi, Nov. 5, 1915, Js only on 

 6'o/a-shoots and buds (W. H. Patterson). Reg. 269. 



The larva (advanced stage) of this species is yellowisl:- 

 white (in spirit), with rows of brown spots across meso- and 

 metanotum and a single row across each abdominal segment 

 1-7. Pronotum with two brown " plate " patches almost 

 adjoining; region of first two pairs of stigmata brown, and 

 abdominal segment 8 with lateral brown patches. Abdo- 

 minal segments 9 and 10 tube-like. Head small, with a pair 

 of brown eye-spots, and basal antennal joints brownish. 



Trickothrips longicornis, Bagn. 

 1913. Ann. & Mag-. Nat. Hist. ser. 8, xii. p. 293. 



This species was originally described from numerous dried 

 specimens in the British Museum^labelled 4i Sierra Leone." 



