220 THE ENTOMOLOGIST. 



pale scales. The femora are pale behind and over the greater 

 part of the basal half, dark in front and above. Tibiae and tarsi 

 usually entirely dark brownish black, but there may be pale 

 scales on the tibiae and metatarsi. Wings entirely without pale 

 scales. Average length, <? 6*5 mm., $ 5"5 mm. 



A common sylvan species. Very abundant at Oxshott, Surrey ; 

 and at Studlaud, Dorset ("very venomous," according toLt.-Col. 

 Yerbury). I have also seen specimens from the New Forest ; 

 Burnham Beeches ; Tophins (Aberdeen) ; North Sutor (Cro- 

 marty) ; Nethy Bridge (Inverness), &c. 



Synonymy. — This species is without any doubt the Culex con- 

 cimms of Stephens, a name which, for some unexplained reason, has 

 been omitted from all the catalogues. Curtis's C. guttatus has been 

 commonly regarded as synonymous with 0. nemorosus, but the figure 

 plainly shows that it is not this species, but 0. lateralis. The form 

 which Theobald calls var. detritus (Hal.) is really typical nemorosus ; 

 Haliday himself stated that his G. detritus was only G. pipiens, but a 

 specimen in the British Museum collection, named G. detritus by 

 Walker, is really 0. lateralis. Dr. S. Bengtsson very kindly sent me 

 specimens of three of Zetterstedt's species {G. fusculus, G. nigripes, 

 and G. nigitulus) to examine ; those of G. fusaihis seemed to be very 

 much rubbed specimens of this species, and though the descriptions 

 do not correspond, G. fusculus may probably be taken to be a synonym 

 of G. nemorosus. One of Zetterstedt's specimens showed traces 

 of pale bands on the abdomen. G. nigripes, Zetfc., is extremely 

 similar, but the scales of the head and thorax are all very deep 

 brown, except for a few in front of the wing-base, which are whitish. 

 Theobald's Gulicada sylvce (originally described from two New Forest 

 specimens as a variety of G. nigripes) is probably this species. Mr. 

 E. C. Bradley has kindly re-examined the types for me ; he says that 

 the hind claws of the female are distinctly toothed, and indicates 

 that the cross-veins are separated by nearly the length of the pos- 

 terior. Thus the two main characters by which this specimen was 

 supposed to be distinguished are not really present. The palpi of the 

 male are described as being a little shorter than the proboscis, a 

 character found in 0. lateralis ; the other characters of this male (a 

 worn specimen) do not, however, correspond wath those of 0. lateralis. 



8. O. lateralis, Mg. — Scales of head mostly whitish, but two 

 large patches of black ones. Thorax black ; sides broadly 

 whitish, a line of whitish scales do\^n the middle, and several 

 short lines of the same colour in front of the scutellum. Abdo- 

 men violet-black above, with conspicuous white lateral spots. 

 Legs black ; basal half of hind femora yellowish-white ; distinct 

 silvery-white knee-spots. Wing-scales all dark. Hind claws 

 simple. Male palpi a little shorter than the proboscis, and scarcely 

 swollen at the apex. Average length, <? 5 mm., ? 6'5 mm. 



Common in the South of England. 



Synonymy. — This is the species described by Curtis as Gulex 

 guttatus, and by Kondani as G. albopunctatus. 



(To be continued.) 



