18G».) 21 
Ca/pture of Deleaster dichrous. — I have recently taken several specimens of this 
beetle flying about my window here in the evening. — T. G. Bishop, 22, Thurston 
Road, Lewisham, S.E., IWi May, 1868. 
Note on Crcesus septentrionalis. — In September of last year our alder bushes 
were defoliated by the larvae of a saw-fly, the leaves being completely eaten, with 
the exception of the mid-ribs. The larvffi, on being approached, assumed a menacing 
aspect by raising their tails. They were similar in colour to the well-known pest 
of our goosebeiTy- and currant-trees, though larger in size. I picked oS" about a 
score, and placed them with their food-plants under a bell-glass on a flower-pot. 
They soon burrowed into the soil, and in the course of a month or so had spun 
their pupa-cases. These are brown, felt-like, exteriorly glazed, of lighter brown 
interiorly. The black spotting of the larva is retained in the pupa, so that it looks 
like a shrunk larva throughout its pupahood. The imago began to emerge about 
the close of April, just as the alders were beginning to leaf. I naturally expected 
Hemichroa alni, but it proves to be Croesus septeni/fionalis. — Peter Inchbald, The 
Lodge, Hovingham, near York, 
Note on the cun-ant-gall on Salix herhacea. — Last summer, in July, I found on 
the very summit of Grassmoor, looking -down on Crannock Lake and Buttei-mere, 
a pretty little willow, Salix herhacea, that clings closely to the bare top of the 
mountain, i-ooting itself firmly among the stones, and throwing up here and there 
its little floss-covered catkins. The leaves of this willow are round, or nearly so, 
and shining. The gall is formed on the mid-rib of the small leaves, and is 
about the size of a red-currant. I picked several of these galls and put them in 
my botany-box. By degrees the leaves withered and the galls turned brown. 
They were placed in a glass-topped box and occasionally moistened, and left thus 
till spring. I had little hope of rearing the tenant, having previously failed. 
April came, however, and one of the gall-insects emerged in the form of a small 
saw-fly, black, with pale legs. On opening another of the galls I found the pupa 
of a second insect ready to emerge. Thus another of Nature's secrets is revealed. 
—Id. 
*^* Mr. Inchbald has kindly placed the saw-fly in my hands. It is a small 
species of Nematus, but I am uncertain if it have been described. The late Mr. 
Ai'mistead had also found the gall, but, I believe, had not reared the insect. — 
R. McLachi.an. 
A list of EupithecicE taken in Derby and the neighbourhood ; with notes. — It may 
be interesting to some of your readers to know the number of " Pugs " that I have 
taken in this locality. The following were, with one or two exceptions, taken in 
the larva state : — E. venosata, in seeds of Silene inflata, July ; E. linariata, in seeds 
of Linaria vulgaris, July and August ; E. pulchellata, in flowers of Foxglove, July 
and August ; E. centaureata— I took a female of this species September 8th, at 
light, and obtained eggs from which I bred a good series ; E. suhfulvata, on leaves 
and flowers of Yarrow, September and October ; E. plumieolata, on flowers of 
