SPP MORPHOLOGY

Indian meal moth (Plodia interpunctella)

Cigarette and drugstore beetle (Lasioderma serricorne and Stegobium paniceum)

Carpet/domestic beetles (Anthrenus and Attagenus spp.)

Clothes moths (family Tineidae)

Flour beetles (Tribolium spp.)

Sawtoothed and merchant grain beetles (Oryzaephilus spp.)

Warehouse & Cabinet Beetles (Trogoderma spp.)

Psocids (Order Psocoptera)

Rice Weevil (Sitophilus oryzae) and Corn Weevil (Sitophilus zeamais)

Hide and larder beetles (Dermestes species)

Angoumois Grain Moth (Sitotroga cerealella)

Mediterranean Flour Moth (Ephestia kuehniella)

Foreign Grain Beetle (Ahasverus advena)

have a wingspread
of about 3/4 in.

Indian meal moth. Clothes moths. Angumois Grain moth. Mediterranean Flour Moth.

The front wings are tan on the front
third, and reddish brown with a coppery luster
on the back two-thirds

Indian meal moth. Clothes moths. Angumois Grain moth. Mediterranean Flour Moth.

are frequently mistaken for clothes moths

Indian meal moth. Clothes moths. Angumois Grain moth. Mediterranean Flour Moth.

the distinctive markings on the wings of the _ moth separate it
from clothes moths.

Indian meal moth. Clothes moths. Angumois Grain moth. Mediterranean Flour Moth.

If disturbed, they fly in an irregular zigzag pattern.

Indian meal moth. Clothes moths. Angumois Grain moth. Mediterranean Flour Moth.

light brown, about 1/8 in. long, and fly readily.

Cigarette beetle. drugstore beetle. Carpet beetle. Warehouse beetle.

The head is bent downward, so the beetle has a distinct humpbacked
appearance

Cigarette beetle. drugstore beetle. Carpet beetle. Warehouse beetle.

larva resembles the drugstore beetle larva, but the body hairs are considerably longer, giving it a more “fuzzy” appearance

Cigarette beetle. drugstore beetle. Carpet beetle. Warehouse beetle.

The lower margin of the head is colored, and a series of four spots are arranged just above this area in such a way that a pattern suggestive of a little clown-like face is formed.

Cigarette beetle. drugstore beetle. Carpet beetle. Warehouse beetle.

cylindrical beetle about 1/8 in. long.

Cigarette beetle. drugstore beetle. Carpet beetle. Warehouse beetle.

adult closely resembles the cigarette beetle, without the hump-backed appearance.

Cigarette beetle. drugstore beetle. Carpet beetle. Warehouse beetle.

has distinct longitudinal lines on the wing covers,

Cigarette beetle. drugstore beetle. Carpet beetle. Warehouse beetle.

The mouthparts and the underside of the head are brown.

Cigarette beetle. drugstore beetle. Carpet beetle. Warehouse beetle.

There are numerous short, colorless setae on the
head and body.

Cigarette beetle. drugstore beetle. Carpet beetle. Warehouse beetle.

There are no distinctive pigmented
markings on the body, and the mouth opening is
directed approximately downward

Cigarette beetle. drugstore beetle. Carpet beetle. Warehouse beetle.

Attagenus unicolor

Black Carpet beetle. Varied Carpet beetle. Common carpet beetle. Furniture Carpet Beetle

Anthrenus verbasci

Black Carpet beetle. Varied Carpet beetle. Common carpet beetle. Furniture Carpet Beetle

Anthrenus scrophulariae

Black Carpet beetle. Varied Carpet beetle. Common carpet beetle. Furniture Carpet Beetle

Anthrenus flavipes

Black Carpet beetle. Varied Carpet beetle. Common carpet beetle. Furniture Carpet Beetle

This is the most commonly encountered clothes
moth in the United States, found in all states

Indian Meal moth. Clothes moth. Angumois Grain moth. Mediterranean Flour Moth.

The body and wings of the adult are uniformly buff in color, and its head has lightly reddish hairs on top

Indian Meal moth. Clothes moth. Angumois Grain moth. Mediterranean Flour Moth.

The body and wings of the adult are uniformly buff in color, and its head has lightly reddish hairs on top

Indian Meal moth. Clothes moth. Angumois Grain moth. Mediterranean Flour Moth.

The wings are silvery brown to golden
tan in color, without spots, and measure less than
1/2 in. across when extended

Indian Meal moth. Clothes moth. Angumois Grain moth. Mediterranean Flour Moth.

Adults normally live about 15 to 30
days, although in colder weather this time may be
extended somewhat.

Indian Meal moth. Clothes moth. Angumois Grain moth. Mediterranean Flour Moth.

Three species of grain moth that can be confused with Clothes moth

The outer halves of the forewings of the _ moth
are coppery brown

Mediterranean flour moth. Indian meal moth. Angoumois grain moth.

the forewings of the _ are pale gray with wavy black lines across them.

Mediterranean flour moth. Indian meal moth. Angoumois grain moth.

_ wings are buff colored, with the hind pair having pointed ends and a fringe of hair-likescales on the back edge, which is longer than the wing is wide

Mediterranean flour moth. Indian meal moth. Angoumois grain moth.

_ moth and the _ moth are
considerably larger than clothes moths,

Mediterranean flour moth. Indian meal moth. Angoumois grain moth.

_ moth are similar in size to clothes moths.

Mediterranean flour moth. Indian meal moth. Angoumois grain moth.

The _ flour beetle often mistaken for the red flour
beetle, but the antenna of the _ flour beetle
is gradually enlarged to form a four-segmented club,
whereas the antenna of the red flour beetle enlarges
abruptly to form a distinct three-segmented club

the antenna of the Confused flour beetle
is gradually enlarged to form a #-segmented club,

the antenna of the Red flour beetle
enlarges abruptly to form a distinct #-segmented club,

The small size of the _ beetle
enables it to work its way inside many sealed
containers.

Confused Flour beetle. Red Flour beetle. Flat Grain Beetle. Sawtoothed Grain Beetle.

It is yellowish-white in color, except for
the darker mandibles and the pair of projections
that arise from the last abdominal segment.

Confused Flour beetle. Red Flour beetle. Flat Grain Beetle. Sawtoothed Grain Beetle.

There are no distinct darkened areas on the top side of
the body segments.

Confused Flour beetle. Red Flour beetle. Flat Grain Beetle. Sawtoothed Grain Beetle.

The head is flattened, so the mouth opening is forward

Confused Flour beetle. Red Flour beetle. Flat Grain Beetle. Sawtoothed Grain Beetle.

The adults of _ beetles do not fly.

Confused Flour beetle. Red Flour beetle. Flat Grain Beetle. Sawtoothed Grain Beetle.

Tribolium castaneum

Confused Flour beetle. Red Flour beetle. Flat Grain Beetle. Sawtoothed Grain Beetle.

It is very similar in appearance and habits to the confused flour beetle

Confused Flour beetle. Red Flour beetle. Flat Grain Beetle. Sawtoothed Grain Beetle.

Adults can fly, which probably accounts for the much more frequent appearance of this beetle in farm-stored grain.

Confused Flour beetle. Red Flour beetle. Flat Grain Beetle. Sawtoothed Grain Beetle.

The _ , confused flour beetle,
sawtoothed grain beetle and Indianmeal moth
are considered to be the most important pests of
stored foods in retail stores and homes.

The red flour beetle, _ ,
sawtoothed grain beetle and Indianmeal moth
are considered to be the most important pests of

The red flour beetle, confused flour beetle,
_ , and Indianmeal moth
are considered to be the most important pests of

The red flour beetle, confused flour beetle,
sawtoothed grain beetle and _
are considered to be the most important pests of

Cryptolestes pusillus

Confused Flour beetle. Red Flour beetle. Flat Grain Beetle. Sawtoothed Grain Beetle.

the smallest of the common
grain-infesting insects

Confused Flour beetle. Red Flour beetle. Flat Grain Beetle. Sawtoothed Grain Beetle.

Adults are flattened,
oblong, reddish brown, and about 1/16 in. long.

Confused Flour beetle. Red Flour beetle. Flat Grain Beetle. Sawtoothed Grain Beetle.

The antennae are slender and are about two thirds
as long as the body.

Confused Flour beetle. Red Flour beetle. Flat Grain Beetle. Sawtoothed Grain Beetle.

The abdominal segments are about 1.5x as wide as the thorax, and the last segment of the abdomen bears a pair of distinctly sclerotized, hook-like structures joined at the base.

Confused Flour beetle. Red Flour beetle. Flat Grain Beetle. Sawtoothed Grain Beetle.

These processes and the head are brown in color,
in contrast to the remainder of the body, which is
nearly white.

Confused Flour beetle. Red Flour beetle. Flat Grain Beetle. Sawtoothed Grain Beetle.

When left undisturbed,
a large population will develop rapidly.

Confused Flour beetle. Red Flour beetle. Flat Grain Beetle. Sawtoothed Grain Beetle.

The adult is a small brownish beetle about 1/8
in. long. It is easily identified by the six saw-like
projections on each side of the thorax

Confused Flour beetle. Red Flour beetle. Flat Grain Beetle. Sawtoothed Grain Beetle.

The head is somewhat flattened, and the mouth
opening points almost straight ahead rather than
downward

Confused Flour beetle. Red Flour beetle. Flat Grain Beetle. Sawtoothed Grain Beetle.

The antennae are about as long as the
head.

Confused Flour beetle. Red Flour beetle. Flat Grain Beetle. Sawtoothed Grain Beetle.

The last segment of the abdomen is tapered
and there are no large dorsal projections

Confused Flour beetle. Red Flour beetle. Flat Grain Beetle. Sawtoothed Grain Beetle.

The body is dirty white, and each abdominal segment bears
a yellowish plate on the top side.

Confused Flour beetle. Red Flour beetle. Flat Grain Beetle. Sawtoothed Grain Beetle.

Adults and its larvae are frequently found along with
other insects that feed on larger grains.

Confused Flour beetle. Red Flour beetle. Flat Grain Beetle. Sawtoothed Grain Beetle.

is similar in appearance and habits to the sawtoothed
grain beetle, but is found in warmer climates

the head projections are curved and wide

Confused Flour beetle. Red Flour beetle. Flat Grain Beetle. Sawtoothed Grain Beetle.

Merchant Grain beetle

head projections are _ and _

Sawtoothed Grain beetle can fly

t or f?
True False

MerchanT Grain beetle can fly

t or f?
True False

has been recorded from a number of sites
in which it was present in cereal baits containing
anticoagulant rodenticides.

Cigarette beetle. drugstore beetle. Carpet beetle. Warehouse beetle.

When full grown,
they are about 1/4 in. long and about 1/8 in. wide
at the middle of the body.

Cigarette beetle. drugstore beetle. Carpet beetle. Warehouse beetle.

The body is tapered
slightly at both ends and is yellow to medium
brown.

Cigarette beetle. drugstore beetle. Carpet beetle. Warehouse beetle.

The last three or four abdominal segments
feature dense clumps of darker colored setae that
have very distinctive, spear-shaped tips

Cigarette beetle. drugstore beetle. Carpet beetle. Warehouse beetle.

Control of _ may require fumigation.

Cigarette beetle. drugstore beetle. Carpet beetle. Warehouse beetle.

the most destructive pest of stored grain.

Rice Weevil. Granary Weevil. Angumois Grain moth. Lesser Grain Borer.

Thanks to its ability to fly, it frequently infests grain both in the field and in storage.

Rice Weevil. Granary Weevil. Angumois Grain moth. Lesser Grain Borer.

Adults are reddish brown and about 1/8 in. long.

Rice Weevil. Granary Weevil. Angumois Grain moth. Lesser Grain Borer.

There are four light red or yellow spots on the wing covers, and the punctures on the pronotum are round

Rice Weevil. Granary Weevil. Angumois Grain moth. Lesser Grain Borer.

When viewed from the side, the body appears to be rather straight in outline on the underside and semicircular on the backside.

Rice Weevil. Granary Weevil. Angumois Grain moth. Lesser Grain Borer.

The top surface of each of the first three abdominal segments has two transverse creases, so that the
segment is divided into three subsections

Rice Weevil. Granary Weevil. Angumois Grain moth. Lesser Grain Borer.

The larval and pupal stages are spent inside
the grain, with the adult emerging through an irregular exit
hole on emergence from the pupal skin.

Rice Weevil. Granary Weevil. Angumois Grain moth. Lesser Grain Borer.

Difference between Rice Weevil and Granary Weevil... the Granary Weevil has _ on its _ .

Difference between Rice Weevil and Granary Weevil... the Granary Weevil has no _ _ .

Difference between Rice Weevil and Granary Weevil... the Granary Weevil punctures on the _ are oval

resistant to cold
weather and may hibernate through the winter.

Rice Weevil. Granary Weevil. Angumois Grain moth. Lesser Grain Borer.

Adult size usually depends on
the size of the grain kernel. Large kernels produce
large adults.

Rice Weevil. Granary Weevil. Angumois Grain moth. Lesser Grain Borer.

Adult size usually depends on
the size of the grain kernel. Large kernels produce
large adults.

Rice Weevil. Granary Weevil. Angumois Grain moth. Lesser Grain Borer.

When the adult emerges from the grain, it
pushes aside the thin layer of seed coat, leaving
a small trapdoor covering its exit point from
the kernel

Rice Weevil. Granary Weevil. Angumois Grain moth. Lesser Grain Borer.

The adult is small (wing spread is about 2/3 in.) and yellowish white, with pale front wings.

Rice Weevil. Granary Weevil. Angumois Grain moth. Lesser Grain Borer.

The hind wings are
characteristically pointed and fringed

Rice Weevil. Granary Weevil. Angumois Grain moth. Lesser Grain Borer.

dark brown, cylindrically
shaped beetle that is about 1/8 in. long

Rice Weevil. Granary Weevil. Angumois Grain moth. Lesser Grain Borer.

The head
is nearly hidden by the thorax when viewed from
above

Rice Weevil. Granary Weevil. Angumois Grain moth. Lesser Grain Borer.

common pest of hides and stored foods, particularly
in products with high protein content

Hide beetle. Larder beetle. Angoumois Grain Moth. Mediterranean Flour Moth. Foreign Grain Beetle.

The larval food source
is commonly meat such as jerky, dry pet food,
dead mice or other mammals in wall voids, or
dead birds on the fireplace damper.

Hide beetle. Larder beetle. Angoumois Grain Moth. Mediterranean Flour Moth. Foreign Grain Beetle.

dark brown with a pale yellow
band across the front half of the wing covers. Six
darker spots are found on this yellow band.

Hide beetle. Larder beetle. Angoumois Grain Moth. Mediterranean Flour Moth. Foreign Grain Beetle.

The adult’s body is 1/4 to 1/3 in. long, while larvae will
grow to nearly 1/2 in. long and have two curved
spines on the upper side of the last visible body
segment.

Hide beetle. Larder beetle. Angoumois Grain Moth. Mediterranean Flour Moth. Foreign Grain Beetle.

The larval body is irregularly covered
with long, stiff hairs. Damage is caused by both
the larval and adult stages.

Hide beetle. Larder beetle. Angoumois Grain Moth. Mediterranean Flour Moth. Foreign Grain Beetle.

Adults have a wingspan of
about 1 in.

Red flour beetle. Flat grain beetle. Sawtoothed grain beetle. Mediterranean flour mouth.

The front wings are pale grey, with wavy
black lines running across them.

Red flour beetle. Flat grain beetle. Sawtoothed grain beetle. Mediterranean flour mouth.

The hind wings
are a dirty white.

Red flour beetle. Flat grain beetle. Sawtoothed grain beetle. Mediterranean flour mouth.

easily recognized by its characteristic
pose when resting. The front of the body is raised,
giving the wings a distinct downward slope with
the tip of the abdomen protruding up between
them.

Red flour beetle. Flat grain beetle. Sawtoothed grain beetle. Mediterranean flour mouth.

easily recognized by its characteristic
pose when resting. The front of the body is raised,
giving the wings a distinct downward slope with
the tip of the abdomen protruding up between
them.

Red flour beetle. Flat grain beetle. Sawtoothed grain beetle. Mediterranean flour mouth.