. The American entomologist and botanist. anicB, Kirk.), which infests the Army-worm,in lacking the red tail.* The other parasitewhich infests it iu the East, but which we havenot yet met with, is a species of Pimpla veryclosely allied to P. melanocephala, Brull6, butdiffering from that species in the head beingred and not SUM5IAEY. The Tent-caterpillar of the Forest differs fromthe common Orchard Tent-caterpillar princi-pally in its egg-mass being docked off squarelyinstead of being rounded at each end; in itslarva having a row of spots along the backinstead of a continuous narrow lin
. The American entomologist and botanist. anicB, Kirk.), which infests the Army-worm,in lacking the red tail.* The other parasitewhich infests it iu the East, but which we havenot yet met with, is a species of Pimpla veryclosely allied to P. melanocephala, Brull6, butdiffering from that species in the head beingred and not SUM5IAEY. The Tent-caterpillar of the Forest differs fromthe common Orchard Tent-caterpillar princi-pally in its egg-mass being docked off squarelyinstead of being rounded at each end; in itslarva having a row of spots along the backinstead of a continuous narrow line, and in itsmoth having the color between the oblique lineson the front wings as dark or else darker, in-stead of lighter than the rest of the wing. Itfeeds on a variety of both forest and orchardtrees; makes a web which from its being usu-ally fastened close to the tree is often over-looked ; is often very destructive, and is mosteasily fought in the egg state. HOW TO COLLECT AND STUDY INSECTS—No. 4. IIY P. G. SANBORN, BOSTON, *Exorisla leucania, Kirkpatric)i=-E. mililaris, Walsh. Wc have bred the varie y lacking the red at tip of abdomen from larvae of Altacus cecvopia, Liiiu., Datana ministra, Drury, ^ Agrolisinermis,lU\ey, andot twouudetermined Agrotidiaiis. ^Practical Entomologist, ir, p 114. A Pla(;ue of Beetles.—A very serious plagueof small brown beetles has occurred in Yorkshire,and during the last few days the Swede-turnipcrop has been destroyed. This is especially soin the Wold district, many farms having no plantsremaining. At Malton, on Saturday, the farmersobtained new stocks of seed, and re-sowing wouldcommence on Monday. The beetles in myriadshave also attacked the tare and pea crops. Thelong drought is supposed to have favored thisdestructive visitation of insect life. [We find the above in a late number of Scien-tifle Opinion; but why talk about such an un-usual visitation without even hinting at thespecies?—Ed.] A corresiDoudent of the New Enyl
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