OBSERVATIONS ON PIPUNCULID.E. 265 



5°. et 6°. nigris scabris obscuris ; fern, segmento 2°. apice utrinque 

 flavo, 3°. et 4°. flavis supra nigro vittatis : oviductus flavus : 

 pedes flavi ; femora basi nigro maculata ; tarsi articulo 5°. supra 

 plus minusve fusco ; ungues flavi, apice fusci ; pulvilli pallide 

 flavi : maris alae obscure fuscae ; nervi nigri, basi fulvi : fern, aloe 

 subfuscae ; nervi fusci ; costa nigra ; squamulae flavse ; squamae 

 et halteres straminea, hi basi fulvi. (Corp. long. 1| — If lin. ; 

 alar. 2f — 3| lin.) 



Var. (3. — Mas, meso- et rarius metafemora omnino fiava. 



July ; on furze and heath ; near London. 



Note. — The male of this species resembles P. ruflpes of 

 Meigen, but he says that the abdomen and thighs are black ; 

 the tips only of the latter red : in this species they are yellow, 

 with only a small, and sometimes obsolete, black spot near the 

 base. 



Sp. 2. Pip. sylvaticus. Mas et Fem. Nigroviridis, pedibus 



nigris, genubus tar sisque flavis, alis fuscis. 

 Pipunculus sylvaticus. Meigen, Dipt. Europ. IV. 20. 3. 



Nigroviridis, nitens, glaber : caput antice utrinque et subtus 

 argenteo micans : oculi ocellique run" : os rufum : antennas nigrae ; 

 articulus 3 US . fuscus, argenteo micans : thorax antice utrinque 

 stramineo tuberculatus ; scutellum non prominens : abdomen 

 pubescens, basi utrinque pilis nigris vestitum, maris angustius ; 

 segmentum l um . griseum : oviductus flavus : pedes nigri ; femora 

 apice, tibiae basi et tarsi subtus flava ; tarsi supra fulvi, articulus 

 5 US . fuscus ; ungues et pulvilli flavi, illi apice fusci : maris alas 

 obscure fuscae, fem. fuscae ; nervi et squamulae nigro-fusca, illi 

 basi pallidiores : squamae flavae ; halteres straminei. (Corp. long. 

 1| — 1§ lin. ; alar. 2— 2£. lin.) 

 July ; on grass beneath trees; near London. June ; New 



Forest, Hampshire. 



Note. — Meigen says that the tibia? are fuscous, with yellow 

 tips. 



Sp. 3. Pip. geniculatus. Mas. Ater, pedibus nigris, genubus 



flavis, alis subfuscis. 

 Pipunculus geniculatus. Meigen, Dipt. Europ. IV. 20. 2. 



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

 micans : oculi ocellique run" : antennae nigrae ; articulus 3 US . 



NO. III. VOL. II. M M 



