1 OQ [November, 
Note on a new British Ichneximon.— The following species was detected by me 
last autumn, in a mai-sh ueai- the sea at Gellyswick, in this county. Specimens 
were forwarded to Mr. Dosvignes, who referred them to M. Wesmaol, by whom 
they were pronounced to be new to science. Under these circumstances, I 
requested Mr. Dosvignes to di-aw up a description of the species. He has kindly 
complied, and I now forward it for publication. The insect belongs, according to 
M. Wesmael, to his sub-division Ichneumones Pneustici, so named on account of the 
cu'cular spiracles. It belongs to Section IX of Gravenhorst's genus Ichneumon. 
— T. A. Marshall, Milford Haven, October, 1867. 
Description of a (British) new Ichneumon. — Ichneumon camhriensis, nov. spec. 
Statura at proportio partium maris Ich. latratoris, Grav. Pedibus et segmentis 
1 — 3, 4, abdominis rufis ; tibiis posticis basi et apice, nee non geniculis, articulo 
quoqne 5° tarsorum omnium nigris. S • 
Longitude 3.75 — 4 lin. Oaput buccatum, thorace parum latins, genis tumidis, 
facie et vercice convesis, lineola impressa supra clypeum ; mandibulis piceo-ferru- 
gineis, palpis pallidioribus. Antennce setaoese, dimidio corporis longitudine sequales, 
in medio dilatatas. Thorax gibbu3,subtiliter punctatus, antice trilobus, sutims valde 
distinctis, metathorace sensim declive, areolis distinctis, areola supero-media 
pyriforme. Sc^Uellum sub-triaugulum, lateribus elevatis. Alee fumato-hyalinaj, 
stigmate vel nigro vel piceo, basi pallido, radio testaceo-fusco, areola perfecte 
5-angulari. Pedes rufi, apice femorum posticorum, nee non basi et apice tibiarnm, 
articulo quoque quinto omnium tarsorum nigris. Abdomen elongatum, thorace 
perangustior, lateribus 03qualibus, rcctis, apice acuto, segmentis 1 — 3 rufis, quai'to 
toto rufo, vel lateribus solum mfis, sequentibus nigris, petiole nigro aut rufo, 
parte antica segmenti primi post tuberculum transversum angusta. — Thos. 
Desvignes, Woodford, October, 1867. 
Lebia crux-minor in Scotland. — When out collecting Colcoptera on September 
24th, I had the good fortune to take, among other things, a single specimen of 
Lebia crux-minor in fine condition. The specimen is a female : I found it in the 
immediate neighbourhood of Dumfries, and, so far as I know, this is the second 
example of its occurrence in Scotland. — W. Lennon, Crichtou Royal Institution, 
Dumfries. 
Swarms of Drosophila fenestrarum in London. — Several houses in Holborn have 
been of late infested with small flies, of which I send you specimens. To such an 
extent have they increased during the last week that the windows are positively 
darkened by them. I should much like to hear if this visit is likely to have been 
caused by any local influence, and if it is in any way exceptional. — H. Newman, 5, 
Oval Road, Kennington, S., September 21st, 1867. 
*#* The flics sent by my correspondent have been submitted to a friend versed 
in these matters, and he informs mo that they are Drosopliila fenestrarum, a generally 
common species, the larva of which feeds on vegetable debris, such as sawdust, &c. 
Their great abundance in Holborn is doubtless owing to the presence of some 
condition favourable to their development. — R. McL. 
