272 



7) Somatochlora horealis sp. n. (fig. 5 — 7). 



2 Q : The body is bronze-green. The yellow spot on the head and 

 thorax as in Somat. gratiosa. On the 2*^ segment of the abdomen there 

 is a yellow cross stripe on each side ; one yellow spot near the lower 

 edge of the 2' tergit and hinder margin of this tergit are yellow. On 

 either side of the 3'^ segment there is a yellow cross stripe, wider than 

 on the 2'' segment with the upper end broadened out in the form of a 

 small triangle. On either side of the 3'' tergit underneath there is a 

 larger yellow triangle, joining the yellow stripe above mentioned. The 



Fig. 2. 

 Ill n I 



Fig. 1. Somatochlora gratiosa Ç; VIII — X segments of alxlomen from side. 

 Fig. 2. Soiuatoch lor a gratiosa Ç; I — III segments of abdomen from above. 



Fig. 3. 



X IX Vili 



Fig. 4. 



X IX VIII 



Fig. 3. Somatochlora arctica $.; YIII — X segments of abdomen from side. 

 Fig. 4. Somatochlora sahlbergi? ^; VIII — X segments of abdomen from side. 



Fig. 5. 



IX VIII 



Fig. 6. 



IX VIII 



Fig. 7. 

 Ill II I 



Fig. 5. Somatochlora horealis &; VIII — X segments of abdomen from beneath. 

 Fig. 6. Somatochlora horealis Q; VIII — X segments of abdomen from side. 

 Fig. 7. Somatochlora horealis Q; I — III segments of abdomen from above. 



under margin of 8*^ and 9'^ tergits are yellow. The other segments of 

 the abdomen have no yellow spots. The under surface of the abdomen 

 is black. The abdomen does not narrow on the 3"^ segment. The 9*^ 

 and 10*^^ segments together are longer than the 8*^''. The vulvar scale is 

 short, equal in length to half the 9^^ segment, sharply raised, with the 

 broad rounded or quadrangular notch (looking upwards), black; the lower 

 edge of vulvar scale, with a small triangular notch in the middle. The 

 wings are transparent, saffron coloured at the base to the outside edge 

 of the triangle. Fore wings with 8 — 9 antenodals and 6—7 postnodals. 



