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19 Cards in this Set
- Front
- Back
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what is the difference between a bite and sting |
Bites are with mouthparts and non venous stings are not with mouthparts and my inject venom |
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From what structure did the sting in hymenoptera evolve |
ovipositor |
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what do eggs come out in stinging hymenoptera |
from the base of the sting |
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why can honey bees only sting once |
the stinger is barbed and tears loose from the abdomen, pulling out the guts after stinging |
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when are bees and wasps aggressive |
when they feel their hive/nest is in danger |
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Crypsis |
camouflage that makes the insect difficult to distinguish from the general background |
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mimeis |
resembling an object in its environment that is of no interst to the predator |
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Disruptive coloration |
breaks up the pattern of the insect with a strong contrasting pattern |
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decoration |
covering body in debris |
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Eye spots |
used to startle predator and give insect a chance to escape |
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Thanatois |
playing possum |
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Five characteristics of an insect with chemical defense |
1. usually large 2. long lived 3. active 4. aggregate 5. aposematism: colors used as a warning of their toxicity |
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Sequesterd toxins rely on what to be effective |
1. relies on predator learning 2. delayed chemicals |
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what is reflexive bleeding |
toxins stored throughout haemolymph |
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what is the toxin in blister beetles |
cantharidin |
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how do bombardier beetles defend themselves |
spraying a mixture of chemicals |
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what are the three players in a mimicry system |
1. model: unpalatable 2. mimic: palatable 3. Dupe |
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Batesian mimicry |
the warning coloration of an inedible insect is mimicked by an edible insect. Example: yellowjacket fly |
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Mulleian mimicry |
a group of inedible species having similar warning colors. Example: velvet ants |
