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



Family Thripidae. 

 Thrips japonicus, sp. ii. 



A very distinct species. 



? . — Length about 1'4, breadth of mesotliorax 0'3 mm. 



Colour yellow, lightly tinged with giey, legs lighter and 

 thorax orange-yellow; seta3 dark. Abdominal segments 

 9 and 10 entirely dark grey-brown, almost black, and all 

 tergites lighter or darker grey-brown. Antennal joints 1 and 

 3 dirty yellowish-white, 2 orange-yellow, 4-7 dark grey-~ 

 brown, 5 in some specimens more or less yellowish basally. 

 Fore-wings and cilia grey, lighter basally. 



Head about 0*75 as long as broad and 0*8 as long as the 

 prothorax; eyes coarsely facetted, pilose, black, lielativo 

 lengths of antennal joints 2-7 as follows : — 2-1 : 34 : 32 : 

 22 : 31 : 7 — 3 pedicellate, and 3 and 4 fusiform. 



Prothorax about 1*5 times as broad as long, surface 

 sparsely setose ; bristles at posterior angles about 0'4 the 

 length of prothorax. Wings reaching to about the ninth 

 abdominal segment, upper vein of fore-wing with 3 (approxi- 

 mately 1 + 1 + 1) seta; in the distal half. 



A])domen elongated, no broader than pterothorax, with 

 segments 9 and 10 shar[)ly narrowed to tip ; 10 divided 

 above. 



Type. In lIo))e Collections, University Museum, Oxford. 



llab. Kobe, Japan, not uncommon, Nov. 1913 {J. E. A, 

 Leu is). 



Suborder T u B u L I F E K A. 



Family Idolothripidae. 



Dicaiothrips stetwcephaluSf sp. n. 



cJ . — Length 4*7, breadth of mesothorax 0'72 mm. 



Dark brown, including all femora, tibias, and tarsi (ex- 

 cepting the fore-tarsi, which are yellowish). Antennal joint 3 

 liglit lemon-yellow, brown at a|)ex ; basal half of 4, except a 

 narrow ring at extreme base, light yellow, and basal third of 

 5 yillowi-h-brown. 



Head excejjtionally long and shnder, 33 times as long as 

 broad at broadest; vertex produced; eyes occupying less 

 than 0'2 the length of head ; pc.stocular and anteocular 

 brisilcs long. Antcnnai 1'4 times as long as the hojid, 

 relative lengths of joints 3-8 ajjproximately : — G7 : 59 : 50 : 

 35 : 2'.) : 22. Mouth-e<;ne very small and short. 



Truthorax about 0"4 the length of head. Fore-femur 



