THE CANADIAN ENTOMOLOGIST 297 



NEW SPECIES OF ODONATA FROM THE SOUTH- 

 WESTERN UNITED STATES. 

 Part II. 



BY CLARENCE HAMILTON KENNEDY, 



Cornell University, Ithaca, N. Y. 



The following undescribed species have been in the writer's 

 hands for some time awaiting that time when he had hoped to 

 be able to write a more comprehensive paper covering this region. 



I wish to thank Dr. P. P. Calvert for the privilege of decrib- 

 ing the .^schna from his collection, and Prof. S. J. Hunter for the 

 privilege of describing the material from the Snow collection. 



Erpetogomphus lampropeltis, n. sp. 



Holotype. — Male caught by the writer on Sespe Creek, Fill- 

 more. Ventura Co., California, Aug. 7, 1915, and now in the U. S. 

 National. Museum. 



Paratype. — ^Female not in copula with the holotype but with 

 the same data, now in the U. S. National Museum. 



Male. — Length of abdomen 30 mm.; appendages 2 mm. 

 Length of hind wing 25 mm. 



Colour. — ^Face pale gray, with a brown line along the labral 

 suture and one on the fronto-nasal suture. Vertex brown ; antennae 

 black ringed with yellow. Rear of head mottled with gray and 

 brown. Eyes bluish gray above shading into gray below. 



Thorax with the dark markings dark brown, the pale areas 

 gray as follows: Dorsum brown with the middorsal and meso- 

 stigmal keels gray. Antealar ridges brown. A narrow (2/3 mm. 

 wide) antehumeral pale stripe sloping outwards from the antealar 

 sinus. A second hair line of gray just anterior to the humeral 

 suture, this line widened above to a triangular spot. Side of 

 thorax gray with an irregular brown line on first lateral suture 

 {}/2 mm. wide), and a similar brown line on second lateral suture. 

 These are connected at about one-fourth their length from the 

 alar ridge. Wings hyaline with black pterostigmata. Legs with 

 coxae and femora gray; the latter with a broad, dorsal brown stripe; 

 tibiae and tarsi black. 



Abdomen with the pale markings on segs. 1-7 gray (almost 

 white) and on segs. 8-10 an intense and vivid orange brown. 



September. 1918 



