FAMILY VI.— LOCUSTID^. • 251 



male, 15.75 mm., female, 18.5 mm. ; hind tibiee, male and 

 female, 16.25 mm. ; ovipositor, 8.5 mm. 



Ceuthophilus lapklicolus Burmeister. 



This species is closely allied to maculatus, but differs 



Fig. 164-. — Ceuthophilus lapidicolus, female. Otiginal. 



from it in the st\le of mottling of the upper surface, and in 

 that the males do not have the posterior tibiee waved. A 

 female is shown in Fig le^. 



Ceuthophilus gracilipes Hald. 



Ground color of body varying from luteous to dark 

 castaneous, very heavilv marked with blackish fuscous so 

 that the latter is often the prevailintr tint ; the darker colors 

 prevail always on the hinder half of all the segments but 

 the pronotum; the anterior QdgQ of the dark posterior 

 markings of each segment, especially in the front portion of 

 the bod\', is exct-edingly irregular and broken, and tlie light- 

 est parts are more or less irregularly clouded with 

 fuscous ; the femora are usually of the prevailing tint of the 

 body. Antennae moderately coarse at the base, tapering 

 with great regularit}^ 3-4 times the length of the body. 

 Legs very long and slender. Fore femora no stouter than 

 the middle femora, more than half as long again as the pro- 

 notum, especially in the male, distinctly less than half as 

 long again as the fore femora, the inner carina usually with 

 2-3 spines, often rather long in old individuals. Middle 

 femora with 3-4 spines on either canna, the hind carina with 

 a not very long genicular spine. Hind femora as long as or 

 longer than the body, considerably more than twice the 



