June, I9i6.] ALEXANDER : NeW LiMNOPHILINE CRANE-FlIES. 122 
The types are in the collection of the United States National 
Museum. 
The related species of this group may be separated by the key 
that is appended to the following species. 
Limnophila barberi new species. 
Blade, the interspaces of the mesonotal prrescutum with a gray bloom ; 
fore femora brown except at the extreme base. 
Male. — Length, 6.4 mm. ; wing, 8.3 mm. 
Female. — Length, 7.6 mm.; wing, 8.1 mm. 
Rostrum very short as in this group of the genus, dark brownish black, 
the palpi dark brown. Antennae short, dark brown, the apex of the first seg- 
ment a little brighter. Head dark brown with a sparse grayish bloom. 
Mesonotal prsescutum black with a sparse gray bloom, the usual thoracic 
stripes devoid of bloom, very shiny and very broad ; scutum similar, the 
median area broadly gray pruinose ; scutellum and postnotum dull brown. 
Pleura dark brown with a light gray bloom, the dorsopleural membranes 
indistinctly dull yellow. Halteres pale, the knob very little darker. Legs 
with the coxae dull yellow, a little brownish on the basal half of the outer 
face; legs slender, the femora yellow with the apices birown, on the fore legs 
including all except the extreme base of the segment, on the hind legs includ- 
ing a little more than the apical half ; tibiae and tarsi dark brown. Wings 
sub-hyaline, crossveins and deflections of veins narrowly seamed with brown, 
the costal cell light brown, the stigma indistinct, the veins dark brown. 
Venation (see plate i, fig. 6), as in the titunda group, the radial sector elon- 
gated, almost straight, R^+s about equal to the deflection of R^^^ ; basal deflec- 
tion of C1/1 just before tne middle of cell ist Afo. 
Abdominal tergites dark brownish black, the sternites more reddish ; 
male hypopygium more reddish ; the valves of the ovipositor of the female 
chestnut. 
Habitat. — Western United States. 
Holotype, J', Eureka, California; May 24, 1903; H. S. Barber. 
Allotype, 5, topotypic, in coitu with the type. 
The types are in the collection of the United States National 
Museum. 
The species is dedicated to the collector, Mr. H. S. Barber, of 
Washington. 
The species that are allied to, or resemble, Limnophila munda O. S. 
may be separated by the following key: 
I. Mesonotal praescutum 'entirely shiny black 2 
Mesonotal praescutum with a gray bloom, at least on the sides of the 
sclerite 3 
