100 
parid-group JA is free; in the other groups of the Myr- 
meleonidae — as far as I know — JA coalesces with Cu2 
for some distance and runs into the hind margin in the 
same direction as an oblique crossvein from Ci 2. 
In the hindwing of the Palparid-group 7A is rather long, 
but in the hindwing of the other groups it is short and 
curved. In the forewing of several groups 2A and 3A are 
free and branched in their apical part; in other groups 
they are coalescing for some distance. In several forms 
2A runs very closely to JA basally. In a short distance 
from its base 2A either coalesces with 3A, or it is con- 
nected to 3A with a short crossvein. Besides that cross- 
vein at least one crossvein between these two nervures is 
found further outwardly. In the hindwing 2A and 3A 
are both present in some groups; in other groups only 
2A is present. 
This view on the nervature of the Myrmeleonid-wing 
here stated is not the common one. N. Banks*) and 
L. Kruger”), however, have given me the impulse to a 
closer examination of the wing, and I trust that my view 
may prove to be right. 
When we look upon the whole lot of Myrmeleonidae 
we find that the Palparid-like forms are nearest allied - 
to the Nymphidae with regard to the nervature of the 
wings. They differ especially in the absence of the cross- 
veins in the subcostal area, in the fusion of M2 with Cuza 
in the forewing and in the more distal origin of Rs. 
They agree with regard to the fact that 7A does not coa- 
lesce with Cu2 and in having 7A, 2A and 3A present 
in both pairs of the wings. These forms may be con- 
sidered as the oldest or the most archaic of the Myr- 
meleonidae, and they form the division Archemyrmeleoni- 
dae. The second division, which I name the Neomyrme- 

*) N. Banks: Proceedings of the Academy of Natural Sciences 
of Philadelphia, pag. 608—632, 1914. 
*) L. Krüger: Stett. Entom. Zeitung, pag. 158—162, 1916. 
