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32 Cards in this Set
- Front
- Back
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What is the most commonly encountered pest aboard Navy ships?
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The German cockroach (Blatella germanica)
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Young cockroaches are called?
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Nymphs
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Cockroaches' habits and body structure enable them to potentially transmit what?
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Pathogens that cause dysentery and diarrhea
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The German cockroach is a small, flattened, light brown insect which can be easily identified from other cockroaches by the presence of two dark longitudinal stripes behind the head A.K.A.?
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“Lieutenant’s bars”
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Adult German cockroaches are approximately?
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one- half inch long
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A female Cockroach can hold how many eggs in the ootheca (egg capsule)?
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30-40
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German cockroaches prefer to dwell in cracks and crevices usually less than _____ wide for growth and survival.
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1/2-inch Wide
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German cockroaches are __________ and gregarious in habit.
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Nocturnal
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Typically, the cockroach spends approximately ___ percent of the time in the harborage (crack or crevice) and the remaining ___ percent foraging within a few feet of an established harborage.
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80 % in & 20 % out
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The shipboard pest control specialist should conduct a cockroach survey?
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Every two weeks in food service areas, and weekly until cockroaches are no longer present.
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Infestations are most likely to be in and around
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Steam lines, cable bundles, berthing, false bulkheads, overheads, and splash boards. Lagging and torn insulation, behind pictures and bulletin boards. Around holes for plumbing and
electrical lines, behind drawers, Around iron supports of counters and serving lines, In hollow furniture and utility legs. |
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Cockroach feces appear as?
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Small, straw-colored to reddish- dark brown dots
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Cockroach flushing agents consist of an aerosol pesticide formulation of?
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Synthetic pyrethroids, such as D- Phenothrin
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The most susceptible supply items are ?
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farinaceous products (those made from flour or other processed grains).
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Beetle larvae belonging to the ____________ family are covered with tiny hairs, which, if eaten, may cause serious intestinal distress.
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Dermestidae
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This beetle is internationally quarantined.
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Khapra beetle, Trogoderma granarium
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The more important stored products pests, which may be found aboard ship, are divided into two groups which are?
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(1) Medically Important
(2) Non- Medically Important. |
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What are effective measures for the prevention and control of SPPs.
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Reduction of temperature and cold storage
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Which dermestid beetle probably originated from India?
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The Kharpa Beetle
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What Dermestid is brown in color and covered with yellowish hairs and feeds on grains and cereal products?
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The Kharpa Beetle
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Adult khapra beetles may live how long?
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A few days to several months.
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The larvae of the khapra beetle are especially resistant to starvation, and may live for how long without food?
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Several years
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What is the stored product infestation tolerance level for insects producing Benzoquinones (Red and confused flour beetle)?
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3 or more insects per pound for Tribolium
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What is the infestation tolerance level for most insects?
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7 or more insects per pound
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Flour beetles appear as?
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Shiny, flattened, reddish-brown insects.
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What is the most common SPP aboard ship.
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The saw-toothed grain beetle
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Describe the saw-toothed grain beetle.
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The adult is slender, flat, and brown. It is easily recognized by the six saw- toothed-like projections on each side of the thorax.
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What beetle is nearly identical in appearance to the saw-toothed grain beetle, similar in habit, but more abundant in the Pacific region?
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The merchant grain beetle
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Which SPP is considered to be one of the most destructive of the stored products pests, feeding on a variety of raw grains and grain products?
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The Rice Weevil
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The adult ____ _____ is reddish-brown and has a characteristic long “beak” or ”snout” that extends down under the head.
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The adult Rice Weevil
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Besides the beak, the adult Rice Weevil can be easily recognized by what characteristic?
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The presence of two yellowish or reddish spots on the top of each front wing.
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What is the scientific name for the Rice Weevil?
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Sitophilus oryzae.
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