100 SOMB INSECTS INJURIOUS TO TRUCK CROPS. 
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Diabrotica vittata, common injurious species to truck crops ................-- 67 
hardiness in comparison with Diabrotica balteata and Dia- 
brotica duodecuempunciatay, ine oo oa oe Oe af 80 
in southern Texas, injuries, life-history notes, remedies... ... 82-84 
Diacrisia virginica.) de¢ 338 See SSR Ae ieee gules Ya yee le ee 59-66 
biologic motes Wye Tee aae IM Ul ai) aoe 60-62 
damage 'in/Colorado ‘in 1909 4242. dec sad 45 ees SE ee 59-60 
experiments "with arsenicale.. duce invest teeta Beehee 63-66 
fungous disease, Botrytis bassiana............ » at Lys eieyiea eaeraeee 61 
not preyed pon by birds acs ltd Jeeelbe Gee ee 62 
Dill, food plant of Papilio polyxenes...........- is Bee NCL ee Wea ia ae 23 
Dioscorpa aiota, moagrote! tnitestine Wil). OL See Ae ee ee a i ie 90-91 
Disonycha abbreviata, association with Disonycha mellicollis on Amaranthus retro- 
EJ) Re TLS SMe nmey UNG an rman PO MEU ly Prat Abs wree 4, ESI 31-32 
mellicollis, association with Disonycha abbreviata on Amaranthus retro- 
Plewtig SII Ed aac ae eae ert ee Dial Oona ea 31-32 
at Brownsville: Tex:.nim L909 fey ssh elk anes Sea een eng 
control methods... vice Seu se ee vile ee 32 
GeScrip tions hi Pepsi Ue a ae PUR a ea 30-31 
Gistrib wt pone. Oa Gk PR le aCe ea Ra a 30-31 
OCONOMIG SHAVES: os ie a eos SU ve eat 31 
eggs, comparison with those of Disonycha xanthomelxna. - 30 
injurious @ceuirences2. . cI eee ee ee ee 29-30 
larva, comparison with that of Disonycha xanthomelena. - 30 
mistaken for Disonycha xanthomelexna..............----- 29 
xzanthomelxna, Disonycha mellicollis mistaken therefor...........--- 29 
eggs, comparison with those of Disonycha mellicollis. . 30 
larva, comparison with that of Disonycha mellicollis. . 30 
Disparene. (See Arsenate of lead.) 
Dock. (See Rumex.) 
Dolichos atropurpureus, food plant of Diabrotica balteata..............---.----- 77 
Dragonfly enemy of Papilio polyxenes. (See Anax longipes.) 
Dust, road, deterrent against parsnip leaf-miner............-.2...-----.----- 13 
Eeeplant, food plant,of Diabroticabaltcatad ii. 22 satiure soy uated eee eee 70, 77 
Diacnsia pirginicaseeisst\s ANd sete eae aes ea ee 62 
Nezora: hileaagt s : . pbs RAS A te oe 5 2 oem 86 
Trichobatistrinvotdba sty’ casey huesa\! te tey cane eee ea te 89 
Elasmopalpus, comparison of moth with that of Htiella zinckenella.........-..-- 27 
Epicauta marginata (see also Blister beetle, margined). 
feeding ‘habitarmotess siden otana os aee wee Gl a See 91 
on‘asters, brushing as remediyeid net... 5 fees ae ee 92 
pennsylvanica, association with Epicauta marginata in injury to chards 
and igardensbeetsu2 nace hy septal. Bente y Debehogne 92 
trichrus on asters, brushing as remedy........-.---------------- gti 92 
oittata, feeding halite ss ise eies soa Te ee 91 
Epitrix.subcrinita on potatoes, possible confusion with Psylliodes punctulata ... 37 
Erycus puncticollis. (See Notaris [EHrycus] puncticollis.) 
Birellaszubribasella=Ltiella zinckenellas or 2s We Sah Bos ep seis bela ee ae 26 
Sschisticolor only a race of Miellajzinckenella. 0) 2 pe eae see eae 26 
BEER EN CLG . 5 iS ISRO MNS TNA TSE a le ee ea 25-28 
comparison of moth with that of corn stalk-borer (Elasmopal- 
POU) woe SEL oy Rn Ee 27 
