CECIDOMYIA 131 



C. tortilis, Bremi. la excrescences on the leaves of Alnus incana. 

 C. Cinerearum, Hardy, Scot. Gard. iii. 14 (1854). Eosettes of the 



leaves of S. aurita and S. cinerea. 

 C. Salicis-folii, Hardy, Scot. Gard. iii. 80 (18.54). Woody galls of 



the leaf of S. aurita, S. oleifolia, and S. Caprea (larva only). 

 C. Fraxini, Bremi; Hardy, Scot. Gard. iii. 139 (1854). Forms 



galls on ash-leaves. Not rare. (E. I.) 

 C, Fraxinicola, Hardy, Scot. Gard. iii. 141 (1854). Forms galls on 



ash leaves (larva only). 

 C. Roboris, Hardy, Scot. Gard. iii. 108 (1854). Rolls up the edges 



of the oak-leaf like a wire. 

 C. Rosarum, Bremi; Hardy, Scot. Gard. iii. 168 (1854). 

 C. Rhodophila, Hardy, Scot. Gard. iii. 170 (1854). 

 C. Oidii, Hardy, Scot. Gard. iii. 170 (1854). Mildew of roses and 



of the hawthorn. 



C. ? Hardy, Zool. vi. 2166 (1848). Nigra, alis obscuris 



basi subflavescentibus, abdomine carneo, pedibus pallide testaceis. Long. 



f-1 lin. 



" Allied to C. (^/coZo?', IMeig. Female. Head and thorax black ; sides 

 of the latter purplish in life. Antenna3 ratlier long, brown ; joints in 

 life pale at the base and at the tips. Wings with a dark tinge, slightly 

 yellowish at the base, finely fringed ; veins coloured witli the red matter 

 of the body, two distinctly marked. Hal teres pale testaceous. Ab- 

 domen dull flesh-colour in death, purplish in life, dusky at the tip; a 

 duskier band across eacli segment, bearing rows of wliitisli bristly hairs, 

 most distinctly seen at the sides ; beneath, with a row of dusky bristles, 

 bearing points along the centre. Ovipositor as long as one-third of the 

 body, flesh-coloured, slightly browu above, approaching to a bulbous 

 form at the base, narrowed to a point, which is pale. Legs long, 

 slender, pale testaceous. 3Iale. Smaller than the female. Front and 

 the pectus before the anterior legs pale pink-coloured. Eyes and an- 

 tenna? black. Abdomen dusky, somewhat hairy, narrower than that of 

 the female, with a row of impressions on each side above, pale at the 

 tip, which is furnished with two hooks. Larva white, with a slight 

 pink tinge, inhabits a large dark green protuberant gall, which rises 

 from the middle of the flower of the tansy, Tanaeetum vid(jare." 



Found by Mr. Hardy, in the county of Durham, during the 

 autumn. 



C. Danae, Haliday, MSS. Foem. nigra, antennis moniliformibus 

 pubescentibus, articulis ovatis contiguis, alis oblongis nigro-pubcsccn- 

 tibus et ciliatis, abdonunc macubs lateralibus albis, oviductu sat brovi, 

 pedibus mcdiocriter longis. 



" Female. Black. Antennae moniliform, pubescent ; the joints ovate, 

 contiguous. Wings oblong, with black ])ubescence and marginal cilia. 

 Abdomen with clear white lateral spots (or interruiited bands). Ovi- 

 positor rather short. Legs of moderate length." — Haliday, MSS. 



