
332 ENTOMOLOGICAL CALENDAR. 





servers state that they do not hatch for from forty to over fifty days after 
being laid. The active grubs are provided with three pairs of legs. After 
leaving the egg they fall to the ground, burrow into it, seek the roots of 
p 
live nearly seventeen years in the larva state, and then in the spring 
change to the pupa, which chiefly differs from the larva by having rudi- 
mentary wings. The damage the larve and ze do, then, consists in 
rdin 
Richmond, Indiana: “Just now we are having a tremendous quantity of 
locusts in our forests and adjoining tields, and people are greatly alarmedby 
them; some say they are Egyptian locusts, etc. This morning they m 
a Baise. in the woods about half a mile east of us, very much like the con- 
tinuous sound of frogs in the early < ate or just before a storm at evel 
ing. It lasted from early in the rning until evening.” Mr. v. 
Chambers writes us that it is paaa F i in the vicinity of Covington 
dierent parts of the country at intervals of seventeen years, are ar? 
ent varieties.” A ca reful compar rison of lar rge numbers cole E 
give the facts to Pa this interesting poin ing of 
Regarding the question as, by eee whether the sn 
this insect is poisonous, and which a is inclined to believe to be a 
species of Cicada, have not revealed any poison apparatus at t we 
the sting. Another proof that it does not pour poison into pe 
made by the ovipositor is, that the twig thus pierced and eens 
not swell, as in the case of plants wounded by Gall-flies which pees 
irritating poison, giving rise to tumors of various shapes. Many 
sting APR poisoning the wound; the bite of the musquito, 
flea, th e bed-bug, and other hemipterous insects, are simple Pak 
wounds, and to a perfectly ev constitution they are not a 
i gh they may grievously afflict many persons, causing the sain 
s to swell, and in some oos ; constitutions induce severe $ 
ese this point, Mr. Cham 
“T havi — 
twenty ites hart oh he ape st vit a v san me Ea had an mea 
te: ruth of the story, but the following you may rely on. r ap 
V. Win inston, Prec at Burlin ngto n, Boone e Ky. nS 
1 while 
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