26 
tiMHouulily on (oi). Then 1 turned tlie bran over and sprinkled it 
tli(»r. ujilily a;:ain, and continued to do tliat, spriiikliii^i and turninin 
until the l)ian was nn^ist thron<»hout. I then took I'aris <;reen and 
s})rinUled it all over the bran. 1 turned that over and spiinkled another 
layer of i*aris «,n'een, and kept turniii^^ and sprinklin<i until the Taris 
•i'reen was thoroughly incorporated with tiie bran, i then took it and 
spread it li<;htl\' on the •ground where the white ^^rub was, and in the 
course of two or three days i niijiht say i completely eradicated it/' 
NOTES ON CUCUMBER BEETLES. 
Hy F. II. ('nnTKNi»i:N. 
Durin^^ the year 18!)7 very fjeneral coin])laint was received at this 
ollice of an insect that destroyed the vines of (cucurbits near the roots, 
and in most instances />/a/>/-o//Vvf r/7^//rt, the striped cucumber beetle, 
was res))onsible for a major i)ortion of the injury. This species was 
observed in its dilferent stages, and some notes were made on its habits 
Fifs 
■ Diahroticn vittata : a, bectlp: b, larva: c, pupa: </, anal sefniiont. from sido: all enlarged to 
same «<'ale exf^ept rf. which ia more enlarged (orijjinal). 
and life economy. Diahrotica I"? punctata., the so-called twelve-spotted 
cucumber beetl<\ or Southern corn root- worm, also came under observa- 
tion from its association with the above-mentioned species. 
All of the observations which will be recorded were made in the 
District of Columbia or in Maryland near the District border line. 
TIIK STKIPEU CUCUMBER BEETLE. 
( liiahrotica riilaia Fab.) 
Ilccfut i)ijury: food plants. — Injury to cucnmber, squash, and cante- 
lou})!' by this si)ecies is so well known and has been so tj:eneral in Mary- 
land and \'ir^inia in the vicinity of the District of (^olumbia in recent 
years that sjx'cial mention of infested localities is superlluous. Indeed, 
this cucnndKM- beetle is rarely absent from the tarm and garden over 
an ;irea which (Mnbraces nearly our whole country, and is by far more 
