326 ORTHOPTER.'^ OF NOVA SCOTIA. PIERS. 



identify. Only one genus, Ceuthophilus, is represented in 



Nova Scotia.* 



Group Ceuthophili. 



Key to Nova Scotian Species of Ceuthophilus (male.?). 



a. Hind margin of terminal dorsal segment of abdomen distinctly obtusely 



notched; hind tibise arcuate or bowed in their basal third 



24. maculatus, p. 326. 



aa. Hind margin of terminal dorsal segment of abdomen entire, rounded; 

 hind tibiae straight; lower outer carina of hind femora wth 25 to 30 

 minute teeth, crowded together over two-thirds or more of apical 

 part; hind femora distinctly shorter (about one-tenth less) than hind tibiae, 

 and 3^/^ times as long as broad; fore femora at least a third longer than 

 pronotum 25. terrestris, p. 327. 



24. Ceuthophilus maculatus (Harris). Spotted Camel 



Cricket. 

 Ceuthophilus maculatus. F. Walker, Cat. Derm. Salt. 

 Brit. Mus., i, 201 (1869); Nova Scotia.— Do., Can. 

 Ent., iv, 30 (1872); Nova Scotia. (Generic name 

 given as "Onthophilus" by typographical error). 



Description. — (Male). Body stout, back arched, antennae long. Hind 

 margin of terminal dorsal segment of abdomen obtusely but distinctly emar- 

 ginate or notched; fore femora frequently more than a third longer than pro- 

 notum; hind femora about four times as long as broad and about as long as 

 hind tibiae, the outer lower carina with 12 to 15 small spines; hind tibiae 

 (of male) arcuate or bowed in basal third. (The emarginate hind margin of 

 the last dorsal abdominal segment of the male cleaily separates it from 

 our other species.) 



Colour. — Above blackish-brown, often with lighter stripe on dorsal 

 . part of thorax; below yellowish-brown; a number of small yellow dots, some- 

 times somewhat confluent, on dorsal part of abdomen ; legs pale reddish-brown, 

 the hind femora with brown bars. 



Measuremejits. — Male: body, 14 mm.; pronotum, 4.6 mm.; fore femora, 

 6-6.5 mm.; hind femora, 15 mm.; hind tibite, 16-17 mm. Female: body, 16 

 mm.; pronotum, 5 mm.; fore femora, 6 mm.; hind femora, 15 mm.; hind tibiae, 

 15.5 mm.; ovipositor, 9. .5-10 mm. 



Range. — Northern United States and southeastern Canada, east of 

 the Great Plains: from Nova Scotia, Grand Manan (N. B.), Anticosti Isld., 

 Montreal, Niagara Glen (Ont.), and Minn., south to Maryland, and west to 

 Colo, and Nebr. Its range thus extends from the southernmost portion of 

 the Canadian to the northern half of the Upper Austral Zone. Common 

 throughout New England. 



Occurrence in Nova Scotia. — This ungainly insect, with 

 its cringing attitude, has hitherto only been reported from 



♦Students should ccrtainlv consult Dr. E. ISI. Walker's excellent paper and plates on 

 his puzzling cenus in the Can. Kntomologi.st (vo'. 37, pp. 111-110, 1905. "Notes on the 

 I.ocustidsB of Ontario' ). The above key is founded on points of difference pointed out by him 



