37G Mr. R. S. Bagnall on Jiew TlvjsanopUra. 



long as 2, scarcely longer tlian 4 ; 5 to 9 together about 1*3 

 times the length of 6 ; elongate sense-areas on 3 and 4, the 

 latter ruiniing into the produced part. Posterior ocelli 

 almost touching margins of eyes. 



Pronotum quadrate, without any long bristles, but with a 

 basal-marginal series of minute black sette. 



Wings reaching to abdominal segment 6, typical of the 

 genus ; setse minute, cross-veins distinct. 



Abdomen with minute setae, excepting the long bristles on 

 9 and 10, and a moderately conspicuous lateral pair on 8. 

 Sutures of sternites 3-4, 4-5, 5-6, and 6-7 showing a dark 

 transverse line ; underside and sides otherwise (excepting 

 apex) yellow. 



Ilah. Sorgono, Sardinia ; 3 ? s amongst a tube of Thysano- 

 ptera collected by Dr. A. H. Krausse, and kinJly submitted 

 to nie by Dr. W. Horn of the German Entomological 

 Museum. 



Suborder T U B U L I F E R A. 



Family Hystricothripidse. 

 Genus HOLUROTHEIPS, nov. 



Head broad, length to a line across anterior margins of 

 eyes only a little longer than broad, but vertex narrowly 

 produced beyond eyes for 0*75 the length of the head to 

 base of produced part. Series of 4 stout knobbed spines at 

 about middle of produced part. Posterior ocelli between 

 eyes near anterior margins, anterior one near apex of pro- 

 duced vertex. Antennae, excepting basal joint, very long 

 and slender ; longer than tube. 



Abdomen broad, depressed, much as in HystricothripSy 

 Karny. Tube long and slender, about three times the length 

 of total length of head and two-thirds the length of abdo- 

 minal segments 1 to 9. 



Differs from allied genera by tlie striking form of head 

 and the extremely long slender antennae. 



Type. Ilolurothrips ornatus^ m. 



Holurolhrips ornatns, sp. n. 



Total length 4'6 mm. ; length of tube 1*4 mm. 



General colour dark blackish-brown ; prothorax and distal 

 part of mesothorax, anterior corners and margins of abdo- 

 minal segment 2, and lateral margins of 3-7 yellowish-red. 



