ON INSECTS INJURIOUS TO THE VINE. 11? 



M. fenestralis, Hojfmansegg. Spring and autumn ; near 

 London ; North Wales. 



M. sericea, Macquart.\ September ; near London ; North 



M. sericoma, Meigen. i 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 Fern. Pattide 

 flava : oculi picei : antennae fuscos, basi flavce : thoracis 

 discus luteus : abdomen versus apicem fuscescens : tibia 

 fulvce: tarsi fusci : al&flavo-limpida?; nervifidvi. (Corp. 

 long. 2\ lin. ; alar. 3| lin.) 

 July ; in woods ; near London. 



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

 antennce fuscce, thorax 3-vittatus, abdomen rufo-fuscum 

 segmentis apice flavis, pedes flavi, tarsi fusci, alee limpidce. 



Pallide ferruginea : oculi nigri : palpi flavi : antennas fuscse, capite 

 tboraceque paullo breviores, basi flavae : tboracis dorso vittae 

 3 rufo-fuscaB, 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| lin. ; alar. 5 lin.) 

 Found near London. 



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

 known to the Ancients and Moderns, and on the Means 

 of preventing their Ravages. 



By M. Le Baron Walkenaer. 



[Extracted from the Annales de la Soci£te 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 the sciences. 



NO. II. VOL. IV. R 



