353 
THE INSECTS OF NEW JERSEY. 
as on cucurbs and many other garden crops. Make little round holes 
in the leaves and are usually controlled by using bordeaux mixture 
and Paris green. 
E. parvula Fab. The “tobacco flea-beetle”; rare in New Jersey; found 
Westville I, 28 , in hibernating quarters (W). 
MANTURA Steph. 
/ M. floridana Cr. Arlington, under stones in early spring (Bf); through- 
, out South Jersey V-VII; hibernates as an adult. 
GH/ETOCNEMA Steph. 
/ C. subcylindrica Lee. Newark, under stones III, 14 (Bf); Westville (Li); 
Camden I, Collingswood IV, Merchantville V, 8 (Brn); rare. 
C..denticulata 111. Throughout the State V-VII; on corn and millet (Ch). 
minuta Mels. Newark (Bf). 
alutacea Cr. Anglesea VI (Coll), 
obesula Lee. Newark (Bf); a South Atlantic form, 
parcepunctata Cr. Irvington III (Bf); Staten Island (Lg). 
pulicaria Mels. Throughout the State III, V, VII, locally common; 
sometimes injurious to corn and millet (Ch). 
confinis Cr. Throughout the State all winter until VI, 25, again VIII 
until frost. The “sweet potato flea beetle,” found on “Convolvulacea” 
in general. In South Jersey often injures sweet potato plants soon 
after they are set out; larva feeds on roots of bind-weeds. Plants 
may be protected by dipping tops before they are set out in arsenate 
of lead 1 pound in 10 gallons of water. 
“C. pinguis” Led is omitted as an error of record. 
SYSTENA Clark. 
S. hudsonias Forst. Throughout the State VII, VIII; common on many 
plants. 
/ S.J ron ta ils Fab. With the preceding VI, VII; feeds on “Polygonum” 
and “Chenopodium,” and sometimes on cultivated crops (Ch), e. g., 
cranberries (Sm). 
S. elonq ata Fab. Orange Mts., rare (Bf). 
/ S. tseniata Say. Throughout the State VI, VII, sometimes abundant on 
carrots, parsley, etc. The var “blanda” Mels, is as common as the 
type, on ragweed. Arsenites are indicated whenever they can be 
safely employed; otherwise a strong tobacco decoction will answer 
almost as well. 
/ S. marginalis Ill. Ft. Lee (Bt); Orange Mts. (Bf); Spring Lake (Ch); 
Clementoh VIII, 6 (W); sometimes abundant on oak (Hn). 
C. 
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