CECIDOMYIA. 91 



Not common. (E.) 



43. testacea, n. Mas, testacea, capite nigro, antennis fuscis basi 

 testaceis, alls limpidis, venis tarsisq\iG fuscescentibus. Long. | 2 lin. 



Testaceous. Head mostly black. Antennae brown, testaceous at the 

 base. Wings limpid; veins brownish. Legs slender; tarsi brownish. 

 Not common. (E.) 



The following species also belong to this subgenus, and pro- 

 bably inhabit Britain : 



C. Artemisise, Bouche ; Loew. Inhabits round knobs on the tips of 

 the shoots of Artemisia campestris. 



C. tubifex, Bouche ; Loew. Lives in the flowers of Artemisia cam- 

 pestris. 



C. foliorum, Scholtz ; Loew. Lives in small galls on the leaves of 

 Artemisia vulgaris. 



C. Lithospermi, Loew. On the tops of the shoots of Lithospermum 

 officinale. 



C. plicatrix, Loew. In the curled leaves of Rubus ctesius. 



C. Millefolii, Loew. In galls on AcJdllea Millefolium. 



C. Bryoniae, BoucJie. In the tips of the shoots of Bryonia alba. 



C. Syngenesire, Loew. In the flowers of Chrysanthemum inodorum 

 and Anthemis arvensis. Also 



C. destructor, Say. The Hessian Fly, which infests the stalks of 

 wheat. 



44. signata, Winn. Linn. Ent. viii. 246. 32 (1853). Nigro-fusca, 

 proboscide, palpis scutelloque fulvis, antennis fuscis, pedibus nigris 

 subtus albis, tarsis albis nigro-cinctis ; Mas, antennis corpore paullo 

 longioribus, pectoris lateribus fuscis, alis limpidis, halteribus albis, ab- 

 domine ferrugineo ; Fosm. antennis corporis dimidio non longioribus, pec- 

 toris lateribus halteribus abdomineque carneis, alis subcinereis, oviductu 

 corpore vix breviore lamellis nullis. Long. |- lin. 



Wings with dark grey pubescence ; veins brown ; transverse veinlet 

 pale, indistinct, a little before the middle of the subcostal vein. Male. 

 Antennae twenty-six-jointed; joints rather longer than the petioles; 

 second branch of the anal vein forming an almost right angle. Fern. 

 Joints of the antennae twice the length of their petioles ; anal vein and its 

 second branch forming a more obtuse angle than in the male. Oviduct 

 almost as long as the body, without valves. 



Lives in the dead young twigs of Finns sylvestris, 



45. latibulorum, Winn. Linn. Ent. viii. 246. 33 (1853). Nigro- 

 fusca, facie cinerea, palpis albidis, antennis fuscis, pectoris lateribus 

 scutello et metathorace fulvis, alis subcinereis, venis fuscis, halteribus 

 albis, pedibus flavis, tarsis fuscis, tibiis nonnunquam pallide fuscis ; 

 Mas, antennis corpore duplo longioribus, abdoraine fusco ; Fcem. antennis 

 corpore cequalibus, abdomine fulvo. Long. ^ lin. 



Wings with dark grey pubescence ; veins brown ; transverse veinlet 



