NEMATOCERA. 67 



of this fly. They sometimes pupate in the leaf-tufts of C. oxya- 

 canthus and coccinea, sometimes in the earth. 



Imago black, with yellowish palps. Antennae i6-jointed in J ; 

 1 5 -jointed in ?. Oviduct long, and yellow at the tip. Sides of 

 thorax and meta-thorax flesh-coloured. Abdomen flesh-coloured, 

 with black bands. Halteres white. Wings hyaline ; black pubescence 

 and costa. Second long, vein bends forward at its junction with the 

 transverse veinlet, then, passing in an almost straight line, joins the 

 costal a little distance from tip of wing. Length, \ lin. 



C. gain, ^Vtz. = C. molhiginis, Lw. 



The larv?e live in the blister-like galls of the flowery stalks of Galium 

 iiiollugo, uliginosum and vcrum. They pass to pupal state in the earth. 



Imago. — Yellow, head brown, tip of the palpi yellow, three dark 

 bands on thorax, pectus shining. Wings limpid, veins and costa 

 dark. Abdomen tawny, with black bands. Legs silvery underneath. 

 .A.ntennffi in $ 17-jointed, 16 or 17-jointed in ?. Oviduct long and 

 yellow. Length, \ lin. 



C. pyn\ Bouche. 



Pear trees are affected by this cecid, especially young trees. The 

 larvae form and live in the roUed-up borders of the leaves, and pass to 

 the earth to metamorphose. The imago is dark brown, with limpid 

 wings, and tawny palpi. Transverse veinlet jciiin^^ *he middle of 

 the first long, vein ; second branch of the third longitudinal curved 

 to the hind border. Length, i lin. 



C. PersicaricE., L., infests the leaves of Foiygonuin amphibium and 

 Fersicart(s. This is a black species, with a flesh-coloured abdomen, 

 with dark hairy bands. The larvae may be found in July. 



C. EicphorbicB, Lw.= I ^- ^'^^P^i^^l^^ Bremi. 

 ( C. capiteajia, Bremi. 



According to Walker, the larvae of Eiiphorbice live in the tips of 

 the leaves of EiipJiorbia CypaiHssias. Ferris,* in his account of the 

 " Insectes du Pin Maritime," says, " L'extremite des tiges de VEup. 

 amygdaloidesr They pupate in the galls. Bremi figures the galls, 

 wings, palpus and antennje.t 



Imago. — Black; antennas fuscous, i6-jointed; the abdomen is 

 flesh-coloured, with bands of black, which in the ? are hairy ; wings 

 with dark pubescence ; transverse veinlet, which in some specimens 

 is very indistinct, is situated at the middle of the first longitudinal 

 vein. Second longitudinal nearly straight, ending near tip of wing. 



* An. Ent. Soc. Fr., 1870, p. 179. 



t Mon. de Gallmucken, pi. i., figs. 2, 5 and 7 ; pi. ii., fig. 25. 



