ENTOMOLOGICAL NEWS. 323 
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N, depressa Cresson. ° 
By T. D. A. CockEreELL. 
n 1863 (Proc. Ent. Soc. Phil.), Cresson described a female 
from Maine as N. depressa, characterized especially 
of a depressed velvety or pubescent area on 
x of the fifth abdominal segment, much after the man- 
0 _ehedy Later, this insect was treated as a variety 
NV. bisignata ; but it is not only a valid species, but perhaps 
ving of subgeneric rank. It typifies a little group, of 
four species are known, separable as follows : 
d area on fifth segment very broad ; pygidial p'ate very broad ; 
- antennae entirely red, except a small black spot on scape 
above ; mesothorax red, with one black band. . . . . . . I. 
eres much. merrower, 80 that the space between it and the 
base of segment at sides is as great as or greater than width of 
a errr, , . . . 5 5 60.4 0le eae 2. 
h about 8 mm.; wings reddish, darker apically, with a subapical 
hyaline patch ; stigma clear ferruginous ; third antennal joint 
distinctly shorter than fourth ; second abdominal segment with 
= a very large bright yellow patch on each side; third, fourth 
_  __ and fifth also each with a pair of yellow marks, growing suc- 
s,s Gessively smaller and closer together (Falls Church, Virginia, 
(< May 20, Nathan Banks)... .... . N. depressicanda n. sp. 
Length about 9 mm.; wings dusky along the veins ; stigma dark red- 
‘dish ; third antennal joint subequal with fourth ; second abdo- 
s a * ar, : minal segment with small and obscure yellow spots, the eas 
. bre . without yellow (Mt. Hood, Oregon). . N. hoodiana Ckil., 
2 aaa 8% mm.; mesothorax light reddish-brown, with ite 
longitudinal black stripe ; metathorax red, with median black 
ot ere Stripe, sides at base black; as much space between the flat- 
2a | tened area and base of segment at sides as the area is wide” 
gta ' I N. depressa Cresson. 
Length about 1o mm.; mesothorax dark red, with a black band ; 
metathorax black, with six red spots, the upper pair in the 
enclosure, the middle pair rather obscure and more or less 
confluent with the upper ; distinctly more space between the 
flattened area and base of segment at sides than area is wide 
(Lehigh Gap, Pa., June 30, Viereck). . . . N. skinneri n. sp. 
The last is the supposed N. depressa referred to in Proc. 
Phila. Acad., 1903, p. 608. I am greatly indebted to Dr. 
: ae 
