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NEW MEANS AGAINST ORANGE PESTS. 
The effectiveness of the kerosene emulsion against fruit scale insects, 
and of the kerosene emulsion combined with sulphur against the Red 
Spider, has beep pretty conclusively shown by experimentation in 
Florida. The Florida Agriculturist, quoted in the American Garden for 
July, 1891, states that in this connection the Rev. Lyman Phelps, who 
has given much talented research to the subject, uses bisulphate of 
soda, 10 pounds to 50 gallons of water, and finds this a safe and effica- 
cious remedy. A stronger solution than that named is liable to injure 
the foliage. He also expresses the opinion that the insect pest will prove 
a friend to the careful cultivator, as a careful and industrious man will 
adopt vigorous and effective treatment and thus keep his grove in a 
healthy condition, while his indolent neighbor will neglect his trees 
until the damage is so great as to put him out of the race. The senti- 
ment, which is nota new one, is also not a bad one, and the progressive 
fruit grower will have to realize it and recognize the necessity of adopt- 
ing improved methods or he will certainly fail of success in his busi- 
ness. 
LATE ENTOMOLOGICAL PUBLICATIONS OF THE NATIONAL MUSEUM. 
We have not yet mentioned the fact that the Proceedings of the U.S. 
National Museum have recently contained three entomological articles 
which have been issued under special covers as Nos. 837, 838, and 839. 
These are: Notes on North American Myriopoda of the family Geophi- 
lid, with descriptions of three genera, by O. F. Cook and G. N. Col- 
lins; Contributions towards a Monograph of the Noctuide of Temperate 
North America, a revision of Homohadena, Grote, by John B. Smith; and 
Contributions towards a Monograph of the Noctuide of Temperate 
North America, a revision of the species of Hadena referable to Xylo- 
phasia and Luperina, by John B. Smith. 
TIGER-BEETLE LARVZ VS. COLIAS PHILODICE. 
Mr. R. R. Rowley, of Curryville, Mo., describes (Canadian Entomolo- 
gist, xxi, April, 1891, p. 92) a very curious case of the destruction of 
butterflies, Colias and Pieris, chietly C. philodice, by the larve of some 
Tiger Beetle. During a drought in August, in 1886, he noticed a great 
bunch of Coliads about one of the few moist clay slopes or banks of a 
nearly dry brook. Some of them while fluttering violently seemed un- 
able to rise and upon taking one of the struggling butterflies by the 
wing he found that they were firmly held to the ground by having their 
abdomens drawn into the burrows of Tiger-beetle larvee, these voracious 
grubs actually eating them alive. 
The bank was found to be strewn with mutilated specimens of philo- 
dice, and upon his retiring a few yards the thirsty butterflies returned 
and those which alighted over burrows were quickly seized by their 
enemies. This is certainly a very unusual occurrence. 
