- 3 - 
(Sitodrepa) StegooiuiTi paniceuni (L.)> "t^-e drug ctore -.ree-ril 
The adult is susceptible tc derris .but the results are unrel fable and 
the insect is therefore rot a suitable laboratory/- test insect for evaluating 
derris preparations, --Craufurd-Benson (_90) in 1938, 
Antliribidae 
A r a e c e r u s_ fas c i c u 1 a t ;. j s (De^, ), the coffee-bean -veevi] 
The adult is not susceptible to derris, — Craufurd-'ienson (£0) in 1Q38, 
Dostrichidae 
Din oderus bifoyeol atus TVoll. 
Feeds on derris roots in storage,— Corbett (86) in 1931j federated 
Halay States Department of Agriculture (l2l) and I-:iller i^^O) in 195-1 ; 
Muesebeck, in a letter to R. C. Roaric in 1937, 
Dinoderus riinutus (F.) 
Feeds on derris roots in storage,— Federated Malay States Departnent 
of Agriculture (123, 124) in 1933 and 1934; Miller (2_85) in 1934. 
Ehizop ert ha dcpinic^a (F,), the lesser grain borer or Australian r^eat '.veevil 
The adult is definitely susce-otible to derris, —Craufurd-Benson (90) 
in 19 38, 
Idiizopertha sp, 
Tephr osia Cand i da seeds and Dei'ris ell.ipjfcica roots applied as dusts 
verc not effoctive, — ""^hatta and r'ara5,'anan "C^sT in 1958, 
Sino x ylon anale Lesne 
Feeds on derris roots in stcrarje. — Federated T'alay States Department 
of Agriculture in 1925 (n9), in 1931 (120), in 1932 (l2_l), in 1033 (122), 
and in 1934 (124); Corbett"( 86_) in 1931"; Spoon and Pov.^an ( 353_) in 1953;' 
Miller ( 285 ) and" Sakai (£31 )" in 1934; Luesebeck, in a letter to G. A, 
Thompson, Jr., Kingston, R"," I,, and the United States Departnent of Agricul- 
ture, Bureau of Entomology and Plant Quarantine (395) in 1937, 
Sinoxylon c on ige run Gerst, 
Feeds on derr'ir. roots in storr.ge,— '.'nited States Department of 
Agriculture, Bureau of Entomology and Plant Quarantine ( 392 ) in 19 36, 
Sinoxylon malaco anurr Lcsne 
Feeds on derris roots in storage, -•-Corbett (Bo) in 1951; Federated 
I.alay States Department of Agriculture ( 120 ) in 1931 and (12_4) in 1934; 
and Miller (2P5) in 1934. 
