NEUR0PTER0ITS INSECTS. 
21 
with a yellow lateral vitta, being a continuation of 
the posterior line of the pleura, and becoming obso- 
lete behind. 
It is on the authority of Olivier, that I quote 
Degeer’s trimaculata for this species, as I do not 
possess the work of the latter author. 
7. L. ternaria. Wings with a fuscous line or 
spot at base ; a spot or band in the middle and an- 
other near the tip. 
Inhabits Massachusetts. 
$ Head, a black line between the antennae ; eyes 
above in contact by a curved line ; posterior lateral 
canthus of the eyes with two yellow spots ; pleura 
with two oblique lines ; wings with a pale ferrugi- 
nous vitta, extending from the base along the ante- 
rior submargin to the middle, thence along the 
margin to the tip, interrupted by the stigma, which 
is black ; on the middle of the costal margin a fus- 
cous spot, and from the stigma a fuscous band, 
which does not reach the tip ; at base of the poste- 
rior wings, behind the vitta, is a rather large and 
conspicuous, irregular, fuscous spot, reticulated 
with whitish nervures ; anal membrane white ; 
marginal cellules ten or eleven between the middle 
and stigma ; abdomen greenish-yellow at base, and 
black at tip, with a yellow lateral vitta ; anal pro- 
cesses fusiform, black, subacute; inferior process 
hardly one-third as long as the others. 
9 The spot of the middle of the wing is extended 
into a semifacia, and the subterminal band is more 
distinct; at the base of the posterior wings is a 
black, securiform line, one-fourth the length of the 
