420 PROCEEDINGS OF THE NATIONAL MUSEUM vol.94 



Eml)ia salomi Exdeblein, 1912, p. 30 (footnote, lapsus calami for salvini, cor- 

 rected p. 116). 



Holotype. — Male, McLachlan collection, British Museum of Natural 

 History. 



Ty^pe data. — Chinuatta, [Guatemala], at 4,100 feet. (Salvin). 



Other record. — Isthmus of Tehuantepec, Mexico (Sumichrast) 

 (MCZ).* The writer has recentl}^ confirmed this identification. 



Genus PARARHAGADOCHIR Davis 



Pa ra rhagadochir B^viB, 1940a, p. 181; 1942, p. 114. 



Males. — Alate, medium sized (length 6-13 mm.) ; color usually dark 

 broAvn, prothorax often pale j-ellow. Head with eyes medium to large ; 

 mandibles thin, with sharp inner apical dentations ; submentum large, 

 sclerotic, shieldlike. Wings dark ; venation strong, R4+5 forked in both 

 wings ; R 1 prominent, often with broad reddish bordering bands ; hya- 

 line stripes narrow, sharply defined. Hind basitarsus with one or 

 two sole-bladders. Terminalia with tenth tergite broadly cleft to 

 base; left hemitergite small, its process complex, bifid, imier portion 

 usually slender, talonlike, sclerotic, outer portion broad, thin, sub- 

 membranous ; right hemitergite large, tapered terminally to form an 

 indefinite process often with a small, abrupt, narrow, sclerotic, apical 

 appendix; inner margin produced mesad with a narrow, elongate 

 sclerite (10 RP2) extending caudad toward left in membrane of me- 

 dian cleft. Process of hypandrium short, blunt. Composite left para- 

 proct and left cercus-basipodite broad, fused basally to ninth sternite. 

 Basal segment of left cercus with a very large, inner, subterminal 

 nodule, which is densely microechinulate. Terminal segments of both 

 cerci and basal segment of right cercus narrow, elongate; basal seg- 

 ment of right cercus membranous except along inner margin. 



Females. — Moderate sized; darkly pigmented integument some- 

 times metallic blue in luster. Hind basitarsi densely setose ventrally ; 

 apparently always with two sole-bladders (even in species with males 

 possessing but one bladder), the additional bladder at times small, in- 

 distinct. Basal segments of cerci short — one-third shorter than ter- 

 minal segments; outer half membranous w^ith a partially complete 

 basal ring. 



Genotype. — Emhia trinitatis Saussure, by original designation. 



Distribution. — Northern South America and Trinidad to Argentina. 



Remarks. — This distinct genus probably comprises a much larger 

 number of species than at present described. Several difficult prob- 

 lems involving the definition of its species remain to be solved and 

 more material may reveal the existence of several subspecies complexes. 



The problem of the relationship of this genus to the African genus 

 Rhagadochir Enderlein must be carefully investigated. The charac- 



