1865.] 257 



Occurrence of Clwleva longula in Bntain. 



Choleva longula, Kellner, Stett. Ent. Zeit., vii., 176, 1 {Catops longulus). 

 tristis, var B, Murray, M on. of Gen. Catops, 38. 

 ? pilicomiSf Thomson, Skand. Col., iv., 61, 3. 



This Bpecies is aUied to C. morio, nigrita, coracina, and tristis ; from which, 

 besides its much more elongate form, the following characters will distinguish it. 



Compared with C. morio, the club joints of its antennsB are longer, the seventh 

 being in every way larger, and the apical half only of the eleventh testaceous ; its 

 elytra are more evidently punctured, and more gradually contracted behind ; and 

 its legs (and especially the apical joints of its tarsi) are longer. 



It may be known from C. nigrita by its thorax being broadest a little before 

 the middle, with the posterior angles less straight ; from C. coracina by its 

 uniformly stouter antennse, and the hinder angles of its thorax not being promi- 

 nent, or even slightly recurved, as in that species ; and from C. tristis by the 

 obsolete club of its antennse, in which all the joints are much nari'ower, the eighth 

 being stouter, and the apical more elongate ; the club in C. tristis being abrupt, 

 vrith the eighth joint small, shallow, and very transverse, and the apical joint short. 



In C. longida, the antennae are pitchy-black, with the two basal joints, and 

 apical half of the last joint, testaceous ; joints 1, 2, and 3 are elongate and equal; 

 4, nearly three-fourths as long as 3 ; 5 and 6, gradually more shortened, and a little 

 widened, the latter being transverse ; 7 conic, nearly as long as 5 and 6 together, 

 and rather broader than the latter ; 8 like 6 in every way, but a trifle smaller ; 9 

 like 7, but smaller ; 10 conic, longer and narrower than 9 ; and 11 longer than 

 10, ovate, acuminate. 



The thorax is clothed with yellow hairs ; transverse, considerably broader than 

 long, rather narrower at its greatest width than the widest part of the elytra ; the sides 

 gently rounded, broadest a little before the middle, more straightly (though in 

 about an equal degree) contracted behind than in front ; the anterior angles 

 rounded off, and the posterior angles somewhat obtuse ; the hinder margin is 

 evidently sinuated on each side of, and near, the middle. 



The elytra are clothed with short yellowish hairs, but have a leaden-blue 

 bloom; oblong oval, at least four times the length of the thorax, gradually 

 narrowed behind, very obsoletely striated ; and, with the thorax, somewhat strongly 

 and not very closely punctured, the punctures running into irregular, transverse, 

 indistinctly defined wrinkles. 



The legs are elongate, ferruginous, the middle and hinder femora and tibiae 

 pitchy -brown ; and the tarsi (especially the apical joints) very long. In the male, 

 the middle tibiae are very slightly curved, and the anterior tarsi have the basal 

 joint strongly, and the second and third gradually less, dilated. 



I detected an example of this species among some Cholevw taken near New- 

 castle, and sent to me for examination by Mr. T. J. Bold, who subsequently found 

 another specimen, which he liberally conceded to me. 



I cannot understand how so close an observer as Mr. Murray could consider 

 C. longula to be a var. of tnstis, as he correctly gives the abruptly clubbed antenna 

 for a distinguishing character of the latter, and also quotes, from Kelluer's description, 

 the fact that the club of the antennae is but little thickened in the former species. Thu 



