266 OBSERVATIONS ON PIPUNCULID^. 



argenteo micans : thorax antice utrinque fusco tuberculatus ; 

 scutellum non prominens : abdomen, breve, latum, vix pubescens, 

 basi utrinque pilis nonnullis albis vestitum, apiee angustius : 

 pedes nigri ; tibiae basi, genua, pulvilli et ungues flava ; hi apice 

 fusei : alae subfuscae, breves, corpore vix longiores ; nervi nigri, 

 basi fusci : squamulae fuscse ; squamae et hal teres straminea. 

 (Corp. long. 1§ lin. ; alar. 2 lin.) 



May ; on grass beneath trees ; near London. 



XX -^^^ 5"^ costa inter nervum secundarium et nervum. auxiliarem 

 fusco maculates. 



Sp. 4. Pip. flavipes. Fem. Ater, pedibus fiavis fusco 

 fasciatis, alls subfuscis latis. 



Pipunculus flavipes. Meigen, Dipt. Europ. IV. 21. 5. 



Ater, nitens, glaber : caput antice subtus et utrinque argenteo 

 micans : oculi ocellique rufi : antennae fuscoe, articulus 3"^. flaves- 

 cens, argenteo micans : thorax antice utrinque fusco tuberculatus ; 

 scutellum non prominens : oviductus flavus : pedes obscure flavi ; 

 coxae nigrse, apice flavae ; pro- et mesofemora fusco, metafemora 

 nigro interrupte fasciata ; tarsi articulo 5°. fusco ; ungues et 

 pulvilli flavi, illi apice fusci : alae subfuscae ; nervi nigro-fusci, 

 basi pallidiores ; squamulae et squamae flavae ; halteres pallide 

 flavi, basi obscuri. (Corp. long. \\ lin. ; alar. 2\ lin.) 



October ; on grass beneath trees ; near London. 



Note. — According to Meigen's description, the legs are 

 entirely yellow. 



Sp. 5. Pip. pratorum. Mas et Fem. Griseus, pedibus 

 flavis, fusco nigroque cingulatis, alisfuscis. 



Cephalops pratorum . Fallen, Dipt. Suec. Syrph. 15. L 

 Pipunculus pratorum. Meigen, Dipt. Em-op. IV. 22. 7. 



Griseus, obscurus : caput utrinque, antice et subtus argenteo 

 micans : oculi ocellique rufi : antennae nigras ; articulus 3"^. 

 nigro - fuscus, argenteo micans : thorax postice et utrinque 

 argenteus, antice utrinque fusco tuberculatus ; scutellum vix 

 prominens : oviductus flavus : pedes flavi ; coxae basi nigrae ; 

 femora nigra, apice basique flava ; tibiae- fusco fere cingulatae ; 

 tarsi articulo 5". fusco, fem. pallidiore ; ungues et pulvilli flavi, 

 ille apice fusci : inaris alee fuscae ; nervi nigri, basi fusci ; squa- 



