- IOd - 
Moloidae (unidentified sp.) ' " ' . . • •' .■■.':- ... .;,■ 
The Idaho Agr-i cultural. Eyppriment. 'Sta%l-OJa'. < 2l6 )' In. 1939 riOTXjrted that 
'prbriminarj- otseryatlong indicat'-d a jjossilale' effect iven.es.s- of rotenone dust 
■against "bli'stcT -"b.eetlcs:, . ,. . ' , ' 
■•-'■■■•■ .McBaniel^, a.^s reported ."by. O'Brien '( 3.0g ) in IQUq. stat'ed that "blister 
-iDeetleg '.can. "be stoPDed with .rotrnone dust, ■■'• •,.. 
•"': .'-- ■■: ■ ■ , Mtidulidae ■• ■ : ■, ,... 
Cprpophilus dimidiatus (F.) ' ••'.•.■ ; . , , 
The larva is not suscepti"blo to' derris.-.-Qraufurd-Benson (90) in I938 . 
Meligethes aeneus (F.) "■"'' ' ' '■ •.•■.; 
Unusuallj' sensitive to derri? dus.t containing 0,5 percent of rotenone 
and 1,2 porcr^nt of ether extract, Rotono-.e spray 1:3,000 plus Agral also 
gives satisfactory results. — De Bussy et al, (61) in 193^. 
Sensitive to derris. — Van der Lap.n' '( 2^2 )' in 1936-.; 
■ Ti-'o applications of dust containing 0,7.5 percent of rotenone vfcre effect- 
iv&.^->Anon,\nnous- (2) in 1937. „ '' • '.; ; ; . 
■ •; f , . ^ . , Ptinidae ' '"■' ' • '■•.•■ 
G-i'b'biujn psylloides (Csemp.) • .' ■ ,■ 
The adult is definitel- susceptible to derris,, — Cr.auf.urd-Bens&n- ( 90 ) 
•in 1938. .: , ; .■■:-, _-; •: .. . ^.. ^, , "" 
Mptus - hololeucue (Fp.ld.), the golden spider "beetle 
ITet affected "by derris. — ''.'"ah der L^-^an ( 252 ) in-lQ^'S.' .■ •■ •; 
' PtlnUs ' fur (L;)-, the, vrhi.tc-markcd, spider- hectic ■' .■■■■■■■ ■..-; 
■ ' .Speeds, on _derr.le roots .,ir>. s'tora^o a.,CcDrdi-ng' to a I'etter ,dP.t:ed_Decem"ber 
1^, 19-37,' 'fi'&m-.-C., F:. !'/., .Mucsebock, to &,' A', trhompson, Jr.. ,:' Kingston., ^.. I. 
Ptlnus fectUi^. Bojeld^.a; spider , "bee tie '" ' ' ■' ■" •'■'■'^ ■ ,.,,..... ., , , 
'•■ The adult i.a.-susceptihl.e to _ derris "but the of ft^ct- is .v^ry slight. 
' Craufurd^Bengon :(^6) in 1933.' '' ,' ,' ' ' .'/.,' ' ■'" ' '' ' ' ' '" 
,,,,..■■.. .... Scara,hreida.e ■' '- ■; ■...'.' ■.''.; ■ - ^ 
A.nomnlfi, orientalis Waterh, , the oriental "beetle 
• • •■ Haude ( igl ), ifi 19"^9, recommended spraying v.'ith cu"be or derris powder 
(k percent.''<?f rotcnono.) ,.'f|. .pounds pf'r'ldb g'allons oT wat>.r. plus ;^ to 5 pounds 
'of -wetter ?»nd stipker,, e.g. ,.,ro,Rin-,r.c'siduc -emulsion. This .acts a^s a; repell- 
ent. ■. : ' ,,1 .• .■.'■.'.._■■',' ■■'' " ■ ■ ■ ' ■■.■■■ 
