EiMBIOPTERA OF THE NEW WO'RL.D — ROSS 



483 



tween latter and the terminal sclerotized inner lobe of LCi deeply 

 notched, partially membranous. Basal segment of right cerciis large, 

 inner margin evenly emarginated and strongly sclerotized. Terminal 

 segments of both cerci similar. 



Female. — No specimens. 



Eolot)/pe.— Male, mounted on two slides, U.S.N.M. No. 56048. 



Type data. — Intercepted in plant quarantine at San Francisco, 

 Calif., April 25, 1938. Associated with 50 plants of Stanhopea wardi- 

 anum shipped from Guatemala City, Guatemala. 



Figures 139-141. — Oligembia excisa, new species, holotype male (Guatemala): 139, Head; 

 140, terminalia (dorsal); 141, terminalia (ventral). Explanation of symbols on p. 403. 



OLIGEMBIA (DILOBOCERCA) EMARGINATA, new species 



FiGOTES 130-132 



Male. — Color (on slide) : Head, submentum, basal antennal seg- 

 ments, and inner margins of cerci chocolate brown; mandibles and 

 apices of processes of tenth abdominal tergite golden brown ; remain- 

 der of body light brown, terminalia darker. Length 5.7 mm. ; fore- 

 wing length 4.0 mm., breadth 0.9 mm. 



Head (fig. 130) as illustrated. 



Wings : R4+5 forked at basal third in left forewing and medially in 

 left hinclwing. Hyaline intervenal bands very broad anterior to M; 

 behind M narrow. 



Terminalia (figs. 131, 132) with tenth tergite elongated, basal pro- 

 jection obtuse, extending beneath ninth tergite and almost attaining its 

 base. Left tergal process (10 LP) strongly tilted, outer margin 

 lowest; inner portion strongly, outwardly curved (talonlike) overlap- 

 ping LCB ; outer, broad portion spatuliform, thin, its outer edge with 

 a hemihexagonal apical notch, apical margin simple. Right tergal 

 processes (10 RPi and 10 RP2) simple. Hypandrium process (HP) 



