CONNECTICUT GEOL. AND NAT. HIST. SURVEY 



[Bull. 



Somatochlora minor (Calvert) 



Entomological News, Q: 87: 1898. 



Nymph (Fig. 45). — Mentum reaching base of mesothorax, 

 mental setae 11 to 13, the outer 7 or 8 much closer together than 

 the others; lateral setae of the palpi 6 to 8; crenulations each 

 with groups of 5 to 6 setae each; hind wing cases reaching the 

 middle of segment 6. 



Lateral spines on segment 8 one-fourth as long as the margin 

 of the segment, scarcely divergent, those on 9 about one-third as 

 long as the margin of this segment ; dorsal hooks present on seg- 

 ments 4 to 9, compressed, slender and decidedly curved, the hook 

 of 7, 8, and 9 about the same size and about as long as the corre- 

 sponding segments ; dorsal margin of the superior median appen- 

 dage straight in lateral profile. 



Fig. 45. Nymph of Somato- 

 chlora minor, x 1.7. (From 

 Walker.) 



Fig. 46. Sotnatochlora minor, 

 anal appendages of adult. (From 

 Howe.) 



Measurements: length, 20.1-22.5 mm. ; width of abdomen, 8-9 

 mm. ; hind femora, 6.75-7 rn^^- 



Adult, male. — Color metallic greenish blue, and black marked 

 with yellow. 



Head : labium, anteclypeus, and sides of the front below, yellow ; 

 labrum black, front, except the yellow spots on sides, metallic 

 green; occiput and postgenae black. 



Thorax : pronotum dark brown with pale caudal lobe ; meso- 

 and metathorax green with yellow oval spots on mes- and met- 

 epimera ; venter of thorax brown ; legs black, except the coxae 

 and proximal half of the front femora, which are brown; wings 

 a little smoky, the anal triangle surrounded with denser chlorina- 

 tion. 



