442 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.48. 



Abdomen short, the tergites chestnut, black laterally before and 

 behind the sutures, the tip of the abdomen black, sternites reddish 

 chestnut. 



Habitat — Panama. 



Holotype. — Female, Porto Bello, Panama, March 13, 1913, Aug. 

 Busck, coll. 



Type-specimen. — Cat. No. 18496, U. S.N.M. 



In my key to the species of PeripJieroptera 1 this species would run 

 down to P. arcuata Alexander of Peru. P. oliviae has the wing veins 

 strongly seamed with brown, the basal deflection of Cu t before the 

 fork of M, etc. 



Tribe ANTOCHINI. 



Genus TEUCHOLABIS Osten Saeken. 



Teucholabis Osten Sacken, Proc. Acad. Nat. Sci., Phila., 1859, p. 223. 



TEUCHOLABIS COCKERELLAE, new species. 



Head gray; color yellow with three shining black marks on the 

 thoracic dorsum; wings yellow with three brown bands. 



Male. — Length, 5.4 mm.; wing, 6.8 mm. 



Eostrum and palpi yellow. Antennae brown at the base, flagellum 

 broken. Head gray. 



Thorax light yellow, the praescutum with three shiny black marks 

 of which one is median, linear, broadest in front; lateral marks large, 

 rounded; scutum and hinder margin of the praescutum very light 

 yellow, each scutal lobe more reddish yellow in the middle; scutellum 

 and anterior half of the postnotum very light yellow, the latter 

 darker behind. Pleurae light yellow with slightly darker blotches. 

 Halteres light yellow. Legs with the coxae and trochanters yellow, 

 femora yellow with the tip broadly dark brown, tibiae brownish 

 yellow, dark brown at the tip, tarsi yellowish brown, the apical 

 segments dark brown. Wings broad, yellow, the tip narrowly 

 brown, a broad brown cross-band at the cord, this mark entirely 

 traversing the wing, a rounded brown blotch near the wing-base; 

 veins yellow, darker in the brown marks. Venation as in figure 2. 



Abdomen rich yellow throughout. 



Habitat. — Guatemala. 



Holotype. — Male, Quirigua, Guatemala, Mrs. W. P. Cockerell, coll. 



Type-specimen. — Cat. No. 18497, U.S.N.M. 



TEUCHOLABIS BUSCKI, new species. 



Chestnut and black; wings whitish with sparse brown markings; 

 basal deflection of Cu t far before the fork of M. 

 Male. — Length, 8.4-9.6 mm.; wing, 6.4-6.8 mm. 



1 Ent. News, vol. 24, p. 409. 



