Stored Product & Fabric Pest Flashcards
Stored product insect pests are found
in sites where food is stored or processed
Insects that feed and develop entirely within kernels of whole grains or seeds during the immature stages
internal feeders
Larvae that develop outside of whole grain kernels, but are capable of feeding on both whole grains and on processed grains
external feeders
Only attack grains that have been processed or damaged by other insects that have previously fed on them
scavengers
Not normally found in whole grains
scavengers
Infest grain products that are rotten or moldy
secondary pests
Sanitation is often the principal control method for these pests
secondary pests
Typically damage only one seed or grain during their development, but in high numbers they can be extremely damaging
internal feeders
Feeding and damaging life stage of stored product pest moths
larval stage
Short-lived stage that causes little to no feeding damage
adult stored product moths
The presence of cocoons and associated silk residues can be a sign of
stored product moth infestation
Loosely attached to moth wings and easily rubbed off
wing scales
Not always a reliable characteristic for identification in moths
wing coloration - wing scales are easily rubbed off
Immature or larval forms of moths and butterflies
caterpillars
Pseudo-legs found on abdominal segments in caterpillars
prolegs
Each proleg has a series of hooks called
crochets
Presence of prolegs is a sure sign that
a larva is a lepidopteran rather than a beetle because beetle larvae lack prolegs entirely
Easily recognized by an elongate proboscis and the clubbed antennae that arise from its sides
weevils
Three commonly encountered weevils that are among the most destructive pests of stored grains in the world
rice weevil, maize weevil, and granary weevil
Adult female weevil chews into a kernal and lays
a single egg
Weevils (feeder type)
internal feeders
Four markings roughly form an X-shaped pattern
rice weevil
Similar in size and general appearance to the rice weevil, but may be slightly larger
maize weevil
Separation of these weevils is usually left to experts as it involves dissection and examination of the genitalia
rice weevil and maize weevil
Weevils which are more common in northern regions of the U.S.
granary weevils
Can be most easily distinguished from maize and rice weevils by the elongate dimples or pits on pronotum
granary weevils
Weevils that cannot fly and are not attracted to lights
granary weevils
Sometimes referred to as bean weevils and are not true weevils
bruchines (formerly known as bruchids)
Angoumois grain moth (feeder type)
internal feeders
Hood-like pronotum and head that bends down so it is not visible from above
anobiine beetles
Two of the most common residential stored product pests in anobiine subfamily
cigarette beetles and drugstore beetles
Anobiine beetles that fly and are attracted to lights
drugstore beetles
In the home, dry dog food and paprika are most commonly attacked by these Anobiine beetles
cigarette beetles
Similar in appearance to the drugstore and cigarette beetles, but is a wood-feeder rather than a grain feeder
furniture beetle
To accurately diagnose an anobiine problem, it is important to
be able to distinguish between grain and wood-feeding
Pyralid flour moths include
Indian meal moth, almond moth, mediterranean flour moth, tobacco moth, and many others
Most common stored product pests in homes and food warehouses
Indian meal moth
For population monitoring purposes, these are available for moth control
Pheromone lures that attract the males
Dermestids
carpet beetles
Spear-headed hairs on the larvae of carpet beetles
hastisetae
Can affect human health by causing gastrointestinal irritation if ingested
hastisetae
Economically important species because they attack woolen fabrics and furs, and they can also be found in warehouses and grain mills
black carpet beetle
Larvae lack urogomphi (spines at tail) and hastisetae, and they tend to be carrot-shaped
black carpet beetles
Often used by museums for the cleaning of bones and skulls for the collections and exhibits
hide and larder beetles
One of the most diverse feeders among stored product pests
warehouse beetles
Highly destructive and tightly quarantined pest
khapra beetle
Lesser grain borers (feeder types)
external feeders
Flour beetle (feeder types)
scavengers
Tuft of reddish-orange hairs on top of the head
webbing clothes moth
Larvae spin silken cocoons once they reach the pupal stage, they usually attach to the damaged fabric on which they feed
webbing clothes moth
Not normally found in whole grains
Scavengers
Sanitation is often the principal control method for these SPP
Secondary pests bc they infest grain products that are rotten or moldy
The feeding and damaging life stage of moths
Larval stage
Loosely attached and easily rubbed off - making these unreliable identifiers on moths
Wing scales
The presence of prolegs is a sure sign of what?
That the larva is a lepidopteran rather than a beetle since beetle larva lack prolegs
Pseudo-legs
Prolegs
Internal feeders
Weevils & angoumois grain moth
In the home, dry dog food and paprika are most commonly attacked by these
cigarette beetles
Insects in this subfamily have a hood-like pronotum and head that bends down, so it is not visible from above
Anobiinae (Anobiine)
Anobiine beetles that are similar in size and general appearance, food preferences, and behavior
Cigarette & Drugstore beetles
Anobiine beetles that have distinct rows of pits on elytra
Drugstore beetles
Anobiine beetles with elytra that is smooth with no grooves
Cigarette beetles
When viewed from the side, the angle at which the pronotum borders the elytra gives this beetle a humpbacked appearance
Cigarette beetle
Generally similar in appearance to the drugstore and cigarette beetles, but is a wood-feeder rather than grain feeder
Furniture beetle (Anobiine)
a very effective pheromone is commercially available for monitoring traps and for population control through mating disruption for these pyralid flour moths
Indian meal moths
Pheromone lures that attract the males of ___________ are available for population-monitoring
almond moths, Indian meal moths, and certain other species
Most common stored product pests in homes and food warehouses
Indian meal moth
Cigarette and drugstore beetles are
Anobiine beetles
can cause gastrointestinal problems if ingested by humans
hastisetae
often used by museums for the cleaning of bones and skulls for collections and exhibits
hide beetles
important pests of food, fabrics, and museum specimens
carpet beetles
attack woolen fabrics and furs
black carpet beetle
feed on foods containing animals proteins (furs, silk, wool, hair, dead insects, dried eggs, dried milk, cheese, meat products)
carpet beetles
one of the most diverse feeders among stored-product pests
warehouse beetles
a close relative of the highly destructive and tightly quarantined, Khapra beetle
warehouse beetle
