322 



9 The groove down pygophor narrow, posterior edge of pygo- 

 phor slightly emarginate; lateral plates narrow, subequal in width, 

 except at base where it is narrower, apical margin deeply emargi- 

 nate, leaving the corner projecting; ovipositor sheaths narrow. Sim- 

 ilar in color to male. 



Length 3.6 mm.; tegmen 5 mm. 

 Hal). Amhoina (type) ; Papua. Laluki River (Muir). 

 This is the simplest form of the Malav species that 1 have 

 studied. 



>">. iiif/rlfrons sp. iiov. Pi. VI, fiji'. 42. 



(5 Width of head including eyes to length of head and thorax 

 1 to 1.6; width of face to length 1 to 2.5; first joint of antenna 

 to second 1 to 2.4; otherwise structurally as in .S'. nropacificii.^. Thorax 

 buckthorn brown, carinae of face and a median mark down thorax 

 and vertex lighter; face between carinae, genae below eyes and 

 clypeus between carinae black; a minute black spot on pleurum; 

 spines on legs and teeth on spur black; abdomen ochraceous orange, 

 genital styles brown. Tegmina hyaline, light buckthorn brown, darker 

 over clavus, veins darker with minute granules, claval margin whit- 

 ish; apical veins blackish spreading into fifth and sixth apical veins. 



The apical corners of anal segment are brought together making 

 segment diamond shape, the spines long, thin, ensate and curved; 

 aedeagus curved, ensate, slightly flattened laterally, resting between 

 the anal spines. 



Length 2.6 mm.; tegmen 3.5 mm. 



9 l\Iuch darker than male, the abdomen nearly all black, tegmina 

 darker with most of the veins blackish. Ovipositor sheaths narrow, 

 laterally flattened on apical half; groove narrow; lateral plates small, 

 inner margin arcuate, entire. 



Length 3.6 mm.; tegmen 4 mm. 



Tlal). Formosa, Ivaiishirai Oluir, 191G), swept from 

 reeds. 



S. pticifiriis Kirk. 



9 Lateral plates about one-fourth length of pygophor. narrow, 

 edge emarginate at middle, the plate elevated at that point. 



S. agamopsi/r/ic Kirk. PI. ^M. fig-. 39. 



9 Lateral plates of female nearly half the length of pygophor, 

 narrow, margins entire. 



;S'. pscudopocifiriis ^Fnir. PI. VT. fii>-. 4~). 



Male genitalia figured, female with apical edge of pygophor 

 medianly emarginate, latero-apical portions forming small, blunt, 

 conical projections; ovipositor sheaths narrow; lateral plates reach- 



