346 THE ENTOMOLOGIST. 
Fam. Psttip2.—Gen. PropHia, Fall. 
91. P. Casei. Musca Casei, Linn. Faun. Suec. 1850. 
Mount Sinai. The cheese fly. Inhabits most parts of the 
world. 
Fam. Paytomyzip®.—Gen. Puytomyza, Fall. 
92. P. obscurella? Fall. Phyt. 4, 8. Cairo. Inhabits 
Europe. 
Fam. Hippoposcip®.—Gen. Hippososca, Linn. 
93. H. camelina, Leach. Eprob. Ins. 10, pl. 27, f. 11. 
Hardly distinct from H. equina. Hor Tamanib. Tajura. 
Wady Gharandel. Wady Hebran. Mount Sinai. 
FRANCIS WALKER. 
Entomological Notes, Captures, §c. 
Nemeobius Lucina near Wetherby.—lI took six specimens 
of Nemeobius Lucina at Bramham Park, near here, yesterday. 
IL used to take it abundantly at Crabbe, near Winchester ; 
but this is, I believe, almost the only locality in Yorkshire. 
I knew they only came out on Monday, and yet the very 
first day they were preparing for next year’s brood. Last 
night, May 30, moths were more numerous than I have yet 
seen them.—dJ. 8. Wesley; Wetherby, Tadcaster, May 23, 
1871. 
Papilio Machaon at Dawsmere.—A fine imago of the 
Papilio Machaon was captured at Dawsmere, near Long 
Sutton, one day last week, by a labouring man. I am not 
aware of it being taken in East Lincolnshire before.—W. H. 
Brooks ; Long Sutton, Lincolnshire, June 1, 1871. 
The Migration of Aphides.—There is a peculiar form of 
atmospheric dullness, which, if not confined to the vicinity 
of our metropolis, is more frequent there than elsewhere, and 
which is popularly designated a “blight in the air,” and is 
supposed, in some way, to have an injurious effect upon 
animals, and certainly upon vegetation. Inquire the reason 
of the latter circumstance, and very likely you will be 
informed that this blight is caused by the travelling of a host 
of insects from one spot to another; and some persons are 
under the impression that they do not journey voluntarily, 
