1935 ] 
New North American Neuroptera 
57 
very broad at base, broader than in M. moestus, about as 
broad as M. latus, some of the costal veinlets toward base 
are forked twice ; four cross-veins between the sub-costa and 
radius, one at base, two between the second and third radial 
sectors, and one near the stigma ; seven radial sectors ; first 
series of gradates further out than in other species, evenly 
oblique (not broken) and formed of thirteen cross-veins 
before it ends in a hyaline spot at hind margin ; outer gra- 
date series of ten cross veins, forming only a slight curve, 
and nearer to the first row than in allied species. 
Length of forewing 7 mm. 
From Brownsville, Tex. (Snow coll.) Type M. C. Z. 19438. 
