Thysanopiera {Tubuh'ftra) from Papua. 361 



Mucrothrips duhius, sp. n. (PI. XV. figs. 12-14.) 



? . LerKjtli 7 mm., breadth of mesothorax about I'D ram. 



Colour and general form as in M. papuensis. 



Head oidy twice as long as broad, sides parallel, not 

 narrowed bi hind eyes, very finely and transversely striate ; 

 postocular spines present, but tubercles absent or obsolete ; 

 space between eyes wider; oc^/Z/ similar, but posterior pair 

 placed well above the line of the posterior margin of eyes. 



Prothorax more gradually raist^d, with the disk less defined 

 and the posterior edge comparatively narrower and not nearly 

 so strongly or evenly sculptured. Anterior legs small ; femora 

 thiekenedj simple ; each tibia with a very small straight 

 tooth shortly before the apex within ; tarsal tooth long and 

 narrow. Head and legs more sparsely setose. Fore coxa 

 simple, armed with a long spine. Wings reaching to seventh 

 abdominal segment. Tube much longer than head ; terminal 

 liairs weak, but hairs on the ninth segment much longer than 

 the tube. 



Tijpe. One female in British Museum (ex coll. Saunders). 



Hub. Dorey, New Guinea ( Wallace). 



Genus Acantiiothrips, Uzel. 



Head longer than broad ; cheeks with spine-bearing warts. 

 Antennce twice as long as head, intermediate joints elongate 

 and possessing sense-cones more than usually long. Mouth- 

 cone slender and much longer than its breadth at base. Fore 

 femora enlarged in both sexes, and, as a rule, each furnished 

 with one or two teeth at apex wiihin ; tarsus armed with a 

 stout tooth. Wings present in both sexes. Male without 

 scale at base of tube. 



This genus was created by Uzel * for the reception of 

 Renter's Phoelothrips nodicornis f, and more recently Hinds \ 

 has described a second species, A. magyiafemoralis, from a 

 sin<jle male taken at Miami, Florida. 



The species about to bo described, ^l. sanguineus, must be 

 provisionally regarded as belonging to this genus, though 

 the fore femora are not really characteristic of a true Acaniho~ 



* ' Monograpliie dor Orduung Thysanoptera,' 1895, pp. 2G0-261, pi iv 

 fig. 28, pi. vii. lig. 145. 



t " Thysanoptera Fenuica, I. Tubulifera," Bidrag till Kannedom af 

 Finlands Natnr och Folk, 4U, 1880, p. 16. 



X " Coutiibiitiuu to a Monograph of the North-American Thysano- 

 ptera," Proc. U.S. Nat. Museum, vol. xxvi. pp. 199-200, pi. ix. figs. 93 

 &94. 



