DESCRIPTION OF NEW SPECIES OF CRANE-FLIES FROM 
CENTRAL AMERICA. 
By Charles P. Alexander, 
Of Cornell University, Ithaca, Neio York. 
The following crane-flies are among the new species included in 
the extensive collections of Central American insects in the United 
States National Museum in Washington. They were sent to me to 
be named through the kindness of Mr. Frederick Knab, the custodian 
of Diptera. 
This paper is a contribution from the entomological department 
of Cornell University. 
Family TIPULIDAE. 
Subfamily LIMiNOBIN-AK. 
Tribe LIMNOBINI. 
Genus PERIPHEROPTERA Schiner. 
Peripheroptera Schiner, Verb. zool. bot. Ges. Wien, vol. 16, 1866, p. 933. 
PERIPHEROPTERA OLIVIAE, new species. 
Thorax reddish ; wings yellowish, the veins seamed with brown. 
Female. — Length about 5.2 mm.; wing, 7 mm. 
Rostrum and palpi brownish black. Antennae broken. Head 
dark reddish brown. 
Thorax reddish chestnut without black markings. Halteres dark 
brown, the stem a little paler. Legs with the coxae and trochanters 
reddish yellow, femora reddish brown, the tip broadly black, tibiae 
brown passing into dark brown at the tip, tarsi dark brown. Wings 
light yellow, all the veins, cross- veins, and deflections of veins seamed 
with brown, the stigma large, rectangular, apex of the wing narrowly 
brown, a large rounded brown mark at the arculus and a smaller one 
at Sc2; the brown seams to the principal veins are less distinct 
before their forks, very heavy in the distal part of the wing. Vena- 
tion as in fig. L Cell R^ with its base distad of the bases of cells R^ 
and 1st M^, cross-vein r-m very short, cell 1st M^ rather small and 
square, basal deflection of Cu^ before the fork of M. 
Proceedings U. S. National Museum, Vol. 48-No. 2080. 
441 
