474 PROCEEDINGS OF THE NATIONAL MUSEUM vol. i» 



Sisyra panatnoy new species 



Figure 17; Plate 1, figure 4 



Female (holotypo) : Head with vertex yellowish brown with some 

 dark brown behind antennae, naiTow median blackish streak over 

 coronal sulcus from posterior margin to midvertex pronounced; face 

 yellow ; palpi yellowish ; basal antennal segment yellow dorsomedially 

 and ventromedially, brown laterally, rest of antennae yellowish to 

 light brown (of at least 36 segments) ; legs yellow to yellowish brown, 

 meso thoracic and metathoracic coxae brown; thorax brown; abdomen 

 brown. 



FoREWiNG (pi. 1, fig. 4): Length 4 mm. width 1.4 mm.; apex 

 rounded, oval; membrane with distinct intervenational brown streaks 

 margined with pale adjacent to longitudinal veins; pterostigma 

 brown, with faint elongate pale spot over central portion; Rs forking 

 basad of longitudinal center of wing, first giving off R4-|-5, then 

 R2 + 3, separating from Rs a short distance beyond, at about level 

 of 2d r; sectoral branches forking near margm, far distad of level of 

 junction of Sc and Rl ; MA, MP 1+2, and MPS +4 with termmal forks 

 at about or basad of junction of Sc and Rl ; MPl +2 with uneven fork 

 to margin, the first branch far removed from the second; Cul with 

 four branches to margin; 12 costal cross-veins before pterostigma in 

 right wing, 11 in left; two radial cross-veins, 1st r sHghtly basad of 

 midpoint of free stem of Rs, 2d r at about longitudinal midpoint of 

 wing at forking of R2 and R3; one sectoral cross-vein from R44-5 

 to R3 slightly distad of separation of R2 and R3; one radiomedial 

 cross-vein, 1st r-m from R4-|-5 to MA; marginal forking scantily 

 developed. 



HiNDWiNG (pi. 1, fig. 4): Length 3.7 mm., width 1.3 mm.; mem- 

 brane almost hyaline, tinted with brownish shading along apical 

 margin, wdth light brown intervenational streaking along outer and 

 inner margin to Cul branches; pterostigma brown; Rs giving oft" 

 R4-f 5 slightly distad of center of wing, the R2 and R3 fork typically 

 separating from Rs a short distance beyond; MA, MPl 4-2, and 

 MPs +4 with usual deeper marginal forks; Cul with five branches to 

 margin; one radial cross-vein, 1st r to R2; marginal forking scantily 

 developed. 



Female genitalia (fig. 17,c): Eighth tergite shorter dorsally, 

 lengthening around spiracular region and ventrally, anterior margin 

 slighth?^ convex; ninth tergite with each lateroventral half moderately 

 elongate, more or less "pear shaped," broader at anterior margin, 

 one posterior articulation ridge, basal and ventral borders rounded; 

 tenth tergite shorter dorsally, with approximately seven trichobothria. 



Holotype: a female (pinned) from Panama, Cano Saddle, Gatiin 

 Lake, May 8, 1923 (R. C. Shannon); USNM 62258. 



