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B-245 UNITED STATATES

Forest Entomology Brief 57.

Ants are fremiently found about skade and yark trees ard shrebs
and their occurrence may be cue to one of several conditions,

Many trees ere infested by scele insects, aphids, or somewhat
similar ee insects % excrete a sweet sticky liguid, This £1
contains considerable sugar
so that in many instances the presence

£ e nd.

é of these sucking i s
sponsible for visits of the ants. nder this concition the annoyance of
the ants may be eliminated by the control of the sucking insect present.

sometimes the ents are attracted to fresn or sap-moist wounds or
Giseased areas. In such cases Ccleening, treating, and coating the in-
gured places will renove the source of attrectinn,
The most frequent cause of complaint, nowev is the working and
nesting of ants within tre trunks and limbs es ogee! This type Of injure
ery ccmmcen, often following rapidly woon injuries ond wounds waen not

Very Gy
ee eae treated, The damage caused by the ants’ galleries and the decay
oe accompanies, or precedes them is oftérn wery extersive an
iS
J

ae and tress bagdiy weakened sometimes vreserve the apncarence of
health and eee when they are reelly dangerous, a menace to lite, iimb,

when trees are badly infested by ants the strength of the injured

parts must be the guide for determining whether te remove cr preserve the
trees; If i4 is found desirable to preserve a considerably weakened tree,
rales

Tiiling the cavity and vracing can be resorted to for strengthening it.
Always the infectec and cecayed areas should be removed, cutting dovm to
sound wooG and then clearing and coating the see or cavities thickly
with soae waterproof preservative, such @s a mixture of equal parts (by
weient) of asphaltum and creosote, one-fourth Cee Oe end three-fourtis
white-Lead eecae altnough these materials must not
oe their coming into contact with the freshly
if

4

5
or tne livirg bark, vhere a stellac should be pused,

In some instances carbon disuiphid, a poisonovs voletile liquid
that must be handied with cars, ent avay from fire aad not inhaled, may
be injected into she ant gallsries, after which all the ovenings should

ry vA

x
a cof material, such as grafting wax
Ss. > Shis) will krit the ans ain save

nd treating of the cavity as described

6 preservation of the tree.

3
be Kept plugged tighsly with some
putty, or wet clay, recor s

area fumigatel, out the
aveve Will stili be essen

WILLIAM MIDDLETON
Specialist in Shade Tree Insects.

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