Those that find harborage indoors move around and
Sprays of detergents are known to
fly on warm winter days.
quickly kill earwigs. Use pesticidal
soaps when labeled for this use.
Dust in dry basement areas to kill
The best management method is to find female
Boxelder trees and remove them. These trees are
seldom planted as ornamental or shade trees; they
grow as weed trees, and are not eliminated mainly
because they are difficult to identify.
Letocoris trivittatus (eastern)
Leptocoris rubrolineatus (western)
Their leaves, somewhat like maples, are variably
shaped on the same tree. Seed pods are helpful in
identification of the female trees. It usually takes a
large invasion before tree removal is practiced.
Caulk around entry points on the house
foundation and door and window
facings. At times it may be necessary to
caulk obvious points of entry indoors.
Spray tree trunks and foundations with
microencapsulated pesticides when the
migrating insects are noticed descending
The conspicuous black-and-red Boxelder bugs are
the tree or accumulating on the house
divided into two species. Boxelder bugs undergo
gradual metamorphosis. The eastern species grows to
Vacuum bugs inside or spray with
be about l/2 inch long; it is distributed as far west as
Nevada, while the slightly smaller western species
Detergents have been shown to kill
ranges in California and Oregon. These bugs lay eggs
these bugs. Use pesticidal soaps when
in the spring on female or pod-bearing Boxelder trees.
labeled for this use.
The young nymphs are bright red. Dark markings
become more apparent on older nymphs. Nymphs feed
on Boxelder tree foliage, tender twigs, and winged
seed pods. In late summer, mature nymphs and adults
crawl down the tree trunk by the hundreds and
Although many people outside the southwest
disperse. Adults also fly directly from the tree to
United States have never seen a scorpion in nature, its
houses. Like attic flies, the bugs find spaces under
shape is well known. The most common scorpion is
siding, around window and door facings where they
the small, striped scorpion, Centruroides vittatus. This
enter wall voids and rooms in houses.
small arachnid is only about 1 l/2 inch long, tan, with
Boxelder bugs seek overwintering shelter outdoors
two broad dark stripes running lengthwise down the
in tree hollows, as well as in sheds, barns, and houses.
Module Two, Chapter 5, Pg 4