5. 

 CTENOPHORA ORNATA. 



Order Diptera. Fam. Tipulidae Lat, 

 Type of the Genus Tipula pectinicornis L. 



Ctenopiiora Meig., III., Lat., Fab. Tipula L., Fab. 



AntenncB porrected, with 13 joints : first joint cylindric, second 



globose, third oblong or securiform, and the following pectinated 



in the male (2), and simple, globose or rhomboidal in the female 



(3.) 



Mentum horny in the centre and membranaceous towards the 



edges (1. a.) : Palpi exsertedj incurved, hairy, cylindiic, 4- 



jointed, the first very small, second and third large, and the lust 



joint very long, flexible and wrinkled, except at its base where 



it is rigid. (1. c.) 



Lip not inclined, ovate, hairy. (1. b.) 



Ocelli none : Antennae with short hairs: eyes oval, entire: mouth pro- 

 jecting like a beak. Abdomen of male thicker towards the extre- 

 mity : of the female, thickest in the middle and tapering totcards the 

 apex, which is terminated by 2 strong processes (4.) Wings diva- 

 ricating, shining. Tarsi with 5 joints. 



C. ORNATA Meg. 8i Meig. Syst. Besch. vol. i, p. 166. 



Yellow tinged with bright brown ; thorax black, margined witli 

 yellow, and ferruginous behind the centre ; 3 first joints of ab- 

 domen with black fasciae, the fourth entirely yellow ; 2 following 

 with a triangular black mark in the centre, and the remainder 

 ferruginous and black : wings yellow, ferruginous at the costa, 

 black at the apex : Antennae and legs orange : Tarsi black. 

 In the Cabinet of Mr. Dale. 



The genus Ctenopiiora, which is probably the most beautiful 

 of the Tipulidae, and remarkable for its fine antenna^, has been 

 divided by Meigen, in his admirable work now publishing, into 

 three divisions, taken from the structure of the joints of the 

 antennjE of the males, which I have copied from his work, and 



