Woods, T. A. D.

English

Journal of the Entomological Society of British Columbia

abundance were N. hieroglyphica a nd P . lividellus whose numbers were 265 and 262 respectively . Six leafhopper species found in trace numbers wer e C. unicolor, E. ex itiosus, Macropsi s sp .. G. angulata, Oncopsis sp. a nd B. pun ctata . Of th e 22 species record ed , N. hie1'Oglyphica, P. lividellus, M. tas-ci trons, C. gem inatus, C. 17Lontanus, 17 S. [[ cu t u s, E. maligna, E . schenki, C. unicolor and M. terruginoides group a re either known plant virus vectors or are closely related to species known to be vectors of plant viruses . Acknowledgments Th e authur is g r a tefuL tu Messr s. W . A. Ke mp and A. H. T hu r s ton, Cr es ton , B. C., fo r t h e use uf th eir orc ha rd s. References .l. Be irn e , B. P . 1956. Leafhop pe r~ (]-Jomo pte ra: Cicade llida e) of Canad a a nd Alas ka . Can . Entom olog ist 88, SL:ppL 2. 2. Ka Loosti a n , G. H ., and M. S. Yeo man s . 1944. A s ticky tra p boa rd use d in sco uti ng fo r pea r psy ll a. U. S . De p .. -\gr. Bur . E ntom ol. Pl a nt Qu a r antin e . ET220 . 3. Kaloostian, G. H. 1952. A cun'e n l r eport un vecto r s uf Weste rn X-d isease viru s of s lon e fruits. Proc. Utah Swk H art. Soc. 4. MacCarthy, H. R. 1956. In sect P U!)U I ~l t io n s in Ca r iboo pota to fi e ld s. Proe. Entumol. Soc . Brit. Columbi a 52 : 8- ll. 5. Oman, P . W . 1949. Th e Nea r ctir ll'Cil:hopp er s, a gen eri c c lassificati on a nd c h C' cK lis t. Proc. Entomo l. Soc. Wa Sil. , D. C. ~le m . 3. 6 . St earn s, L. A. 1956. lVI ead v\': s:, iWe bu g a nd peach g Llmosis . . J. E con . Entomol. 49: 382-385. 7. Stearns, L. A. 1958. Tra nsie n t in , c'c ts in De lal'\'a re 's a ppl e and peach plantings . J. Econ . Entomol. 51: 81-32. 8 . Turner, William F . 1952. T he n le uf in sect s ur veys in vi ru s-vector r esearch. U .S.D.A. Pl a nt Di sease Re pt!'. Supp l. 211: 47-50. 9. Wadde ll , D. B. 1952. A preliminary li s t ot the H emiptera of the Koutenay Valley. Proc . Entomol. Soc. Bri t. Co lumb ia 48 : 93-96. 10. W ild e, W. H . A. 1960. In sec t tra nsmiss ion of th e viru s causing little ch erry disease . Ca n. J. P lant Sci. 40: 707-7l2. 11. Wild e, W. H. A. In press . Elfect of tw o spra y progra mm es on leafhoppers in c he rry or chards of t he Koote !1ay V ~illcy uf British Columbia . Proc. Entomul. Soc. Bri t. Co lum bia . Occurrence of Anoplcnyx spp. in the Larch Forests of British Columbia and Yukon Territory T . . -\ . I ). Fo u r sp eci es uf th t' larch sa ll' fl y genus Anoplonyx occ ur in Br it is h Colum bia , two of I"hich e xtend into Yukon Te rritory. Occi-dens Hoss and laricivorus Ruh. and Midd . a r e found on lI'e st e rn larc h , Larix occiden-talis i\utt. , in so uth eas t ern Britis h Colu mbia . Canadensis HafT . an rl luteipes (Cress.) occ ur on eastern larch. L. laricina (Du Roi) K. Koc h , in centra l a ncl nor th e rn Bri iis h C~) ­lumbi a and south easte rn Yuk on Tt'rri to ry . /.\. occiden s has bee p coll e c ted throug ho ut it s host' s ran ge [r0m JUllt' 8 to Au g ust 6 . In southea stern Br iti s h Co lu m bia A. laricivorus larva e ha ve been co ll ec te d bl'l'I\ 'ee n Jun e 13 a nd Se pt e mber 5. A. c<lnadensis l ~lJ' va(' have bee n co ll ected bet wee n AI.lg us t 2 a nci 3 1. i n 1960 . fi, 'e ia r -I'ae of A. luteipos IIc r e t ;!i<e n un .Jul y 23 . a1 1 F o r esl En totllo]og.\" Lahu nllol' ,\ , \ 'e rtl o n . B. ( ', Mil e 579 Alas ka Hig hwa y , 40 mil es eas t of L OII'er Pos t. SOlli e luteipes !;Irvae wer e col -lected on .J1I1~· 20, 1961 a t Mil e 658, 25 m iles \I 'e, t of Wat son La ke, Y .l'. Prev iously. thi s ,pec ies was knuII'n to occ ur onl y cast of th e Hoc ky Muunta in s (Wong, 1955 ), Th e cull ee-li on <I ,lt es l' <e pl' <esc'n l th e tim es th a t s pec i-me ns \l ere [oun d :ill cl do nul nect'ssari lv es ta bli s h thl' cOlllpl<ele la rval f eedin g period. Th e a bove inform a tion is based un d a ta e btain ed fronl th e r ecords 01 th e Fore st 111 -"e ~ l S ' in ·C'.I· .. t Ve rnun , B.C. Re ferences \ VOIl " 11 R W 55. " ' r 'la " uf the Nea rct ic h , ~ pe~i ps ~)r A~~plo~yx. Can . Ent . 87 : 22 *-2:.'7 . 1~1I Dp e l. D. I!. 1058 . A Bri ef hi s turv of l he I; ,rch , <1\1 fly, Pristiphora e~ichsonii (llt g-.) in Proc. Entomol. Soc . Brit. Col. :15 : 32-3 5. 

Occurrence of Anoplonyx spp. in the larch forests of British Columbia and Yukon Territory

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Occurrence of Anoplonyx spp. in the larch forests of British Columbia and Yukon Territory

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Journal of the Entomological Society of British Columbia