The Bryan daily eagle. (Bryan, Tex.) 1895-1898, 1897-05-19

AAhAfN rum ANNHlAN ANHfftH
T. j. a. Cockrell. entomologlst Of the
New Mexico agricultural experiment
station, writes:
IL is a commonplace observation that
most Of our Injurious Insects are In.
Productions from abroad. and the most
cursory glance over the literature ol
economic entomology will show that
every little while one is added 20 the
number OF these alien pests. After year,
OF comparative indifference. the coun'
Try is at length becoming alive 20 the
serious danger 10 our horticultural In
ieresls from these continued introdue'
lions. and measures are contemplated
Tor preventing them. Already. Indeed
the state OF California has established o
horticultural quarantine officer, with
iull power 10 destroy. n need be, all IN
tested plants arriving AZ that port
But California cannot alone protect the
United States from iniestation. nor can
she efficiently protect herself. 80 long NJ
there are no proper precautions taken
In other parts Of America. In this mat
Ter, as In many others. the United states
must act for the United States. aided,
indeed, By the people and legislatures
OF the several states and territories,
but ftill uniformly and consistently.
from Maine 10 San Diego. and from
Puget Sound 20 Key West. II should be
clearly understood that what wc row
know Is but a 1.-THE OF what might De
known. had proper attention been paid
TO the Injurious insects Of Japan. the
Pacific Islands. Mexico. Central and
south America. and the West Indies.
Every collection Of scale insects from
those regions contains new species.
ana the greatest Investigations yield
abundant new and unsupported facts
The rapid spread Of scale insects In
these days Of easy and rapid transit.
cold storage and wardian cases. plants
are carried all over the world. and no
Insects are more easily carried upon
ihem than the scale insects Thus u
happens that while under natural con.
ditlons scale insects have usually
rather restricted distribution. many
pecics OF them are becoming or have
become worldwide. and 10 looks as u
The end would only be- reached when
every country possessed all those kinds
which we're able 90 exist in its climate.
The following instances viii illustrate
DE above statements
I'D bhspis amygiall or lanatls the
destructive peach scale. was described
from Australia In 1889 To-day we
know % from Australia. Ceylon. Hong
Kong Japan. several localities 10 the
United States. Jamaica. San Domingo
Grand Cayman. Barbados Martin
que. Trinidad and Cape Colony.
90 AulacaspIs rosae. che common
rose scale. vas described from Europe.
but 10 now found also IN the United
States Australia. New Zealand. the
sandwich Islands. China and Jamaica.
90 Chionaspis citri, very des;ruct-
Iye scale on citrus plants. was described
from Louisiana and Cuba IN 1883. now
% is known also from Trinidad. An
tigua. pomoura. Bermuda. Mexico.
Tonga. Sew Zealand and Australia
90 Howardia blclayis. trouble
some scale OF citrus and other plants.
was described in 1883 from specimens
ou dollhouse plants in Washington City.
now % Is known out-0f-dolrs from
Trinidad. Mexico. Tahiti. sandwich
Islands and Ccy.lu.
CD lecanlum oleae. the well known
black scale OF CaIiom.ais found. out
OF the United States. ln jamaica. An
ugua. Trinidad. Europe New Zealand.
Australia Sandwich Islands and Mex
leo.
These may suffice as examples. which
could be multiplied many times II de-.
sired