ON INSECTS INJURIOUS TO THE VINE, 



117 



M. fenestralis, Hoffmansegg. Spring and autumn ; near 

 Lonclon ; North Wales. 



M. sericea, jMffc</M«rL\ September ; near London; North 



M. sericoraa, Meigen. ) Wales. 



M. nemoralis, Meigen. Summer and autumn ; in woods ; 

 near London; Wales. 



M. flavipes, Macquart. Summer and autumn; in woods; 

 near London ; Wales ; Cumberland ; &c. 



M. pygmaea, Macquart. Epping ; near London. 



M. flava, n. s. (Div. C. Meigen.) Mas et Fem. Pallide 

 flava : ociili picei : antenncB fusccB, hasi jiavce : thoracis 

 discus luteus: abdomen versus apicem fuscescens : tibia 

 fulvcB: tarsi fusci: alcB jlavo-UmpidcB ; nervifidvi. (Corp. 

 long. 21 lin. ; alar, ol lin.) 

 July ; in woods ; near London. 



M. ferruginea, (Div. D. Meigen.) Mas et Fem. Ferruginea, 

 antenncs fuscce, thorax S-vittatus, abdomen rufo-fuscum 

 segmentis apice Jlav is, pedes Jiavi, tarsi fusci, alee limjndis. 



Pallide ferruginea : oculi nigri : palpi flavi : antennae fuscae, capite 

 thoraceque paullo breviores, basi flavae : thoracis dorso vittoa 

 3 rufo-fuscae, quarum media anteposita et furcata ; vitta quoque 

 unica postica : abdomen rufo-fuscum ; segmenta apice flava : 

 coxae et femora flava ; tibiae obscuriores ; tarsi fusci : alae lim- 

 pidae, vix fulvescentes ; nervi fusci : halteres flavi. (Corp. long. 

 3 1 lin. ; alar. 5 lin.) 

 Found near London. 



Art. XIV. — Researches on the Insects injurious to the Vine, 

 known to the Ancients and Moderns, atid on the Means 

 of preventing their Ravages. 



By M. Le Baron Walkenaer. 



[Extracted from the Annales de la Soci^t^ Entomologique de France.] 



INTRODUCTION. 



General Considerations. — Division of the Researches into three Sections. 



In Europe, when, after a long succession of ages passed in 

 the darkness of barbarism, the human mind began to resume 

 its powers of advancement, its progress was everywhere the 

 same, and it adopted a similar method in all tlie sciences. 



NO. II. VOL. IV. R 



