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Questions and Answers
What is the function of the abdominal segments in adult insects?
What is the basic number of segments in the insect abdomen?
Which type of insect larvae have lobe-like abdominal legs called prolegs?
In which insect group is the first abdominal segment intimately fused with the thoracic segments?
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Where is the waist located in ants?
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What is the primary function of mechanosensitive sensilla found on abdominal segments?
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What are the cerci in insects mainly used for?
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In which insect are the cerci asymmetrical with the left cercus forming a clasping organ during copulation?
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What are gills present on in nymph of many aquatic insects?
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Which insects have a pair of tubes known as cornicles that release an alarm pheromone when attacked by parasites or predators?
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Where is the insect's genital opening located?
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Which group of insects has the most diverse ovipositor morphology?
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What is one of the interesting modifications of the ovipositor found in stinging Hymenoptera?
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In which insect are the cerci long and filamentous, as long as or longer than the body?
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What function do some insects' glands opening on the abdomen serve?
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What purpose does the external genitalia serve in insects?
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Silverfish and nymph of Mayfly have long and filamentous cerci, as long as or longer than the body.
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The male cerci are generally symmetrical in some insects.
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The nymph of Ephemeroptera usually has six or seven pairs of plate-like or filamentous gills.
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Aphids release an alarm pheromone from their cornicles when attacked by parasites or predators.
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The insect's genital opening lies just above the anus.
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The most diverse ovipositor morphology is probably found in the Coleoptera.
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Some females of wasps have a very long, thin ovipositor which may be up to 7cm in length.
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The ovipositor of stinging Hymenoptera is modified into a stinger.
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The cerci in insects are mainly used for prey capture.
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Earwigs have powerful forceps which are usually straight and unarmed in the male.
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Most adult insects have appendages on their abdominal segments aside from those involved in reproduction and a pair of terminal cerci.
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The number of segments in the insect abdomen is always 11, plus the postsegmental telson.
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The waist of ants is located between the thorax and the abdomen.
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Aquatic nymphs often have segmental gills, while holometabolous larvae have lobe-like abdominal legs called prolegs.
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The first abdominal segment in Hymenoptera is intimately fused with the thoracic segments and is known as the propodeum.
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Most insects have mechanosensitive sensilla on their abdominal segments.
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