Mr. R. S. Bagnall on new Thysanoptera. 397 



XLVII. — Brief Descriptions of new Thysanoptera. — VIII. 

 By Richard S. Bagnall, F.L.S. 



Suborder Teeebrantia. 



Family JEolothripidae. 



Subfamily Orotbsipin^. 



OrotJirips propinquus, sp. n. 



? . — Very like 0. australis, Bagn., but stouter and larger 

 (1'8 mm. long as against 1*5 mm.) and also darker in 

 coloration. The head is shorter than the prothorax ; the 

 maxillary palpi are distinctly 8-jointed, whilst the antennal 

 joints 3 and 4 are practically subequal, the relative lengths 

 of joints 3 to 9 being as follows : — 



0. propinquus, sp. n., 108 : 102 : 51 : 39 : 28 : 20 : 15. 

 0. australis, Bagn., 104 : 82 : 52 : 32 : 24 : 18 : 12. 

 0. tenuicornis, sp. n., 165 : 126 : 66 : 48 ; 50 : 30 : 19. 



All legs dark grey-brown ; fore-tibiae and tarsi a shade 

 lighter — yellowish-grey-brown. Colour of antennae as in 

 O. australis. Fore-wings broader than in 0. australis, with 

 the brown markings across middle and tip occupying only 

 about 0*20 and 0'15 of the total length, the comparative 

 extent of areas beinar as follows : — 



Comparative length . 20 . 16 19 



Sette on veins of fore-wings minute. 



Type. Hope Department of Zoology, University Museum, 

 Oxford. 



Hah. Australia, Creswick, Victoria ; on sweet pea, 

 ? s only, 17. i. 15 [R. Kelly). 



Orothrips tenuicornis, sp. n. 



$. — Near 0. propinquus, colour of abdomen lighter, and 

 apical abdominal bristles shorter and more slender. Antennae 

 more slender and the third joint long, clear lemon-yellow. 

 Ann. d& Mag. N. Hist, Ser. 8. Vol. xvii. 27 



