584 NEW YORK STATE MUSEUM 
Treatment: as the grubs of these beetles are known to feed on the 
eggs of grasshoppers and are therefore beneficial, the adults should be 
destroyed, by spraying affected plants with poison or by beating the 
insects into pans containing water and kerosene, only when necessary, 
so Bumble flower: beetle (Euphoria inda). Brownish mot- 
tled beetles about 5% in. long feeding in ears of green corn, attacking 
peaches. 
Treatment: handpicking. 
st Stalk borer (Hydroecia nitela). Wilting potato vines 
and within a brown, white-striped active caterpillar about 1 in. long. 
Attacks many thick stalked herbaceous plants. 
Treatment: burn infested stalks before September. 
52 Variegated cut worm (Peridroma saucia). Stout, 
brownish cut worms with obscure markings and about 1% in. long. In- 
jurious to various garden plants. Its operations on carnations in a 
greenhouse are shown. 
Treatment: place poisoned baits near plants to be protected. 
53 Zebra caterpillar (Mamestra picta). Brilliantly marked 
black and yellow, red-headed caterpillar about 2 in. long frequently 
found on cabbage, beets and other garden crops. 
Treatment: spray affected plants with poison, hellebore or pyrethrum 
water. 
54 Cabbage butterfly (Pieris rapae). Large irregular 
holes eaten in cabbage by a greenish caterpillar. White butterflies 
abundant in the field. 
Treatment: capture the butterflies with nets. Spray young cabbage 
with poison, older ones with hellebore or pyrethrum water. Dust with 
lime. 
55 Cabbage thrips (Thrips tabaci). Cabbage and lettuce 
show white spots as though blasted, caused by minute yellowish or brown 
insects. 
Treatment: spray affected plants with kerosene emulsion or a soap 
solution. 
56 Tarnished plant bug (Ly gus pratensis). Small yellow- 
ish and black bugs about ¥/ in. long, frequenting many plants and 
injuring most garden crops and some trees. 
