100 SOME 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 duodecim punGhtOss=e nese a eee eee ee eee eee 80 
in southern Texas, injuries, life-history notes, remedies... .. . 82-84 
PRACTINIA VIFGINICA... ..-. 2-52 2 hem See lath cuss ens pemromenes Edie See ae 59-66 
biolosie: notes: icc ci ut ee Bee ae eee 60-62 
damsfe in Coloradoin 909s. 26h see a. i ses eee 59-60 
experiments with-arsenieals.26 “27 oj. eect ee? cee ae 63-66 
fungous disease, Botrytis bassiana 2.0: 22.2 2. oe Soe ere 61 
not preyed wpom-p y DIRdses.2e 1 eee tee Secret Perea 62, 
Dill, food plant of Pupilio.polyxents-. <=. ces =o a2 eae 23 
Dioscorea alata, maceots,intesting dig. ._44322 2202s - sae see 90-91 
Disonycha abbreviata, association with Disonycha mellicollis on Amaranthus retro- 
LOLUS S wz ice Notaisaloe airs) Po eae ee eaten ae eit ee 31-32 
mellicollis, association “Ala Disonycha abbreviata on Amaranthus retro- 
PACUS 2B EEE oe SE er ee ee ee 31-32 
atibrownsvalles Mex. sy 190 9 eae esee te aa sae j1=32 
controlmethods: a5. 3.2: 422 22 sop Smee eae 32 
description. 4. Ses seas Se ee 30-31 
distribution: 2.22. tae tose ee eee eee 30-31 
EcConOMIC StAtUS..2.c.. sco. Boe eee ee eee 31 
eggs, comparison with those of Disonycha xanthomelena. . 30 
IM} UTIONSiOC CURTOM Ces =a state siarctere eee eae 29-30 
larva, comparison with that of Disonycha xanthomelena. . 30 
mistaken for Disonycha xanthomelxna.......------------ 29 
vanthomelxna, 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........-.--.---------- HU 
Dragonfly enemy of Papilio polyxenes. (See Anax longi pes.) 
Dust, road, deterrent against parsnip leaf-miner.........-------------------- i 
Eggplant, food plant of Diabrotica balteata........--------+---+++++++2+2+22+-- 70, 77 
Diacrisia virginica. sees 305 eee eee ee 62 
INCZOTGHULGTIS Ses See ee ee eee eee 86 
Trichovaris Grinotvata sss v2 oe a eee eee ee 89 
Elasmopalpus, comparison of moth with that of Etiella zinckenella.......------ 27 
Epicauta marginata (see also Blister beetle, margined). 
feeding habits; notes: 2-22 4s. S22. 52 see eae eee 91 
on asters, brushing as remedy.-:---.-.---2-22--2---2-- === 92 
pennsylvanica, association with Epicauta marginata in injury to chards 
and garden beets: .. <dse--- se -8s se ee 1 emlee Ser eae eee 92 
trichrus on asters, brushing as remedy..-.-..-.-.--------+------------- 92 
vittaia, feeding habits. 2.222 5-5 2-8 eee ee eee eee 91 
Epitrix subcrinita on potatoes, possible confusion with Psylliodes punctulata ... 37 
Erycus puncticollis. (See Notaris [Erycus] puncticollis.) 
Etiella rubribasella=Etiella zinckenella.....-.-.------------+--+--------+-------- 26 
schisticolor only a race of Etiella zinckenella....----------------+--+++--- 26 
BiNCh ENC soon siniso hacen! Bee BER OLS BEER es ee eee eee 25-28 
comparison of moth with that of corn stalk-borer (Elasmopal- 
PUS) 5 5 = o.e eee eee  ee 27 
description:...+ 22 2224 Ss Soa see ee ae ee 25-27 
