Circular [Mar. 1909]

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GEORGIA STATE BOARD OF ENTOMOLOGY

C IRCULAR No.9

M AR CH . 1909.

The Brown-Tail Moth,
A SERIOUS INSECT PEST Liable to Become Established
in Georgia.
. University of Georgia libraries , I Athens, Georgia 30602

By It I... WOR " H AM. Sta te E n to m o lo g is t .

THE BROWN-TAIL MOTH A SERIOUS INSECT PEST THAT IS LIABLE TO BECOME
ESTABLISHED IN GEORGIA. Th e Bro wn -T a il ~r oth ( Eu p roct is e hry so r r ho('a ) IS p resen t t h ro u g hour fo:u ro pp. X o rt h Afri ca an d \\"" st pfII As ia . h u t ha s not y et b ecom e est ublis hcd in t his cou u t ry , " x "" 1'1 in t ho Xr-w E ngla nd St nt r-s, I n t hi s sect io n it do l'S a n iuu uensr - nnmu n t of ,la lllagp, M ill ion s of doll a rs hu ve b ee n s po ut in try ing to co ut r l it. W int e r IIl'st S o ntn in iug ,' a t prp ill a rs o f Bro wn -Ta i l M ot h hav e 111)1'11 f'ouu rl on nu rser v stor-k im po rt vd f rnm r-:llrol'P t h is wi nt e r, Th ese sh ip ' mcn t s a rc lll' ill g t ra "l' d a s f a r a s I''''' d il'a hl e a n.l t he cn t omolmrists a nel ho rt ic ult u rn l i ns pot-t nrs ha n ' t a ken the mut t i-r ill " ha rge in t he vur ious S t a t es . nnd ill t his wa y W I' ho pl' to st ump t hr- I'l'sl out h efo re it gets :1 f oot ho ld . We a re Illak ill g I'\'ny efl'ort to t r.u-e a ll shi pnu -nt s ('[' uupo rt cd st ock into n eorg ia in orrIe r t ha t we ma v illsl" :l't it fo r Hro wn Tai l Xl ot h a nd 1I1'st roy a ll st o r-k whi eh sh ow s t ill' p rps ,'lIce of t h is i nsect. D am a ge. In Ne w En gla n d , w he re t his I'l'st ha s l u-co tn e firml y cst nb lis hed, it is respo nsi b le f or g rea t du mug c t o n 'gp t a t io n hecuusr- it at t a vk s I'I'll"' i,'ally al l pla nt s ex re l' t pi ues a nd ot he r t reps of t hi s nnt u n- . It. ,Io(' s cunsi d r-ra bl e d a III age to lu-nl t h on nvcnu nt of t Ill' fa ct t ha t I l", ('a te r pi ll a r is cov ered w ith nu nu-rous ha ir s wh ieh pro,ltH,e most i nt e usrirr itat ion wh en th ey CO llie in out ac t wi th th e s k ill. \\'h e n mol t ln g ta k r-s I'la r e th e la r vul s k ius a re us t ofI, th e po iso no us hai rs whi ch a rc very br it t le eas ily b ecom e de tu che d , get int o th e a ir a111 l ill t h is wa y co me ill ,' o ntad wit h th e skin and p rod u ce an it ching d isl'a se, Thi s is so ball at. t imes t ha t peopl e hu ve to 1lI0\'e f ro III ecrta in lora lit ips wh er e t lupest occ urs un t il r el iev ed f'rn m t he tro ub le. 'I' hure is nel'l'ssa r ily a grea t lI!"'rea se i n proper ty va lu es i n loea li t ies w hen- t he mnr hs are nh uu d uu t , Life H ist or y. A t t h is se a so n of th e y ea r t he in soct is in t he ca t e rpi lla r st age allll h i heru nt es ill w in t er nes t s w h ieh a re s ho w n inf<'igs . 1 a nd 2,
Fig. I. -Win. er Xest vf Bro wn -Tuil Mot h. (X, Y, Sla te Dept , Au r. }

T hese nl'sts arc made of leaves a nd webs spun by the cate r' p illars and fa st en ed to the t w igs of trees that th ey in f est. Th e ca te r pillars t hat h a v e b een fo u nd on nu rse rv stoc k shipped from E urope i u tr Ueoriga wer e fr o m on o-t hird t o on e- ha lf g r own . Wh en t h ey are f u ll g ro wn t hey a rc f rom o ne a nd a hal f to one a n d t hree-q ua rt ers of n u inch lon g . T he head is pal e brow n and b ody dark brown or bl a c k a nd "o \'(' r"d oye r w it h long reddi s h-brown and wh it e hairs. S ec Fig. :l .
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Fig'. :!.-Sma ll ltr own -Ta il ~ I ot h Cat erp ll lu rs EnHrl.dllg' from th e Winter :\ ('st. ( Afh-I' Sa nder so n.)
F ig. 3.- F II1l Cr own Caterpill ars of Brown- Tail ~loth . (After Fern ald and Kir k luud. )

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