NO. 2107. DRAGON FLIES, WASHINGTON AND OREGON— KENNEDY. 307 



3. Female. — Adult coloration: Labrum greenish, frons blue on 

 vertical surface, black on horizontal surface. Vertex black, including 

 upper one-fourth of eyes, which is sharply demarked from the lower 

 greenish three-fourths by a horizontal line, except a pale pure blue 

 band across front of vertex from eye to eye and the usually connected 

 pale blue postocular spots. 



Figs. 123-126.— Ischnura peepaeva, nymph. 123. Doksal view or labium. 124-126. Mental seta 



of three beared nymphs. 

 Figs. 127-132.— Ischnura cervula, nymph. 127. Dorsal view of labium. 128-130. Mental seta 



OF three reared nymphs. 131. Male segment 9, ventral view. 132. Female 



segment 9, ventral view. 



Thorax pale blue, but markings may be either as in description No. 

 1 or No. 2. Coxae and femora vivid rose pink. Femora and tibiae 

 with an outside black stripe. Pterostigmas pale brown. 



Abdomen marked as in tenerals, but segments 1 and 2 blue, seg- 

 ments 3 to 8 greenish yellow, and segments 9 and 10 pure blue. 



4. Female. — Final or senile coloration (fig. 119): I^abrum olive. 

 Vertical surface of frons olive, horizontal surface black. Entire 

 dorsal surface of head black, including the sharply defined dorsal 

 one-fourth of the eyes. Lower three-fourths of eyes green, shading 

 into yellow below. 



