: - 
m.°s: Avy 
NEMATOCERA. 67 
of this fly. They sometimes pupate in the leaf-tufts of C. oxya- 
canthus and coccinea, sometimes in the earth. 
Zmago black, with yellowish palps. Antennz 16-jointed in ¢ ; 
15-jointed in 2. 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. galit, Wtz. = C. moliuginis, Lw. 
The larvz live in the blister-like galls of the flowery stalks of Galium 
 mollugo, uliginosum and verum. ‘They pass to pupal state in the earth. 
/mago.—Y ellow, 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. 
Antenne in @ 17-jointed, 16 or 17-jointed in 2. Oviduct long and 
* yellow. Length, ? lin. 
C. pyri, Bouché. 
Pear trees are affected by this cecid, especially young trees. The 
larvee form and live in the rolled-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 joining the middle of 
the first long. vein; second branch of the third longitudinal curved 
to the hind border. Length, x lin. 
C. Persicaria, L., infests the leaves of Polygonum amphibium and 
Persicarie. ‘This is a black species, with a flesh-coloured abdomen, 
with dark hairy bands. The larvz may be found in July. 
C Euphorbia, Lw, = é subpatula, Bremi. 
C. capiteana, Bremi. 
According to Walker, the larve of Zuphorbie live in the tips of 
the leaves of Euphorbia Cyparissias. Perris,* in his account of the 
“Insectes du Pin Maritime,” says, “ L’extrémité des tiges de 7Zup. 
amygdaloides.” They pupate in the galls. Bremi figures the galls, 
wings, palpus and antennz.t 
Jmago.—Black ; antennz fuscous, 16-jointed; the abdomen is 
flesh-coloured, with bands of black, which in the 9 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, pl. i, figs. 2, 5 and 7; pl. ii., fig. 25. 
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