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14 Cards in this Set
- Front
- Back
What is the purpose of courtship and mating?
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species/sex recognition/mate quality
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How does a balloon fly prime for copulation?
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Nuptual gift
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How does orthoptera prime?
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spermataphylax (large nutrient treat)
20% of weight male chooses |
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scorpion fly
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male captures prey as treat.
male releases pheramone male only gives treat after copulation. |
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Sabithine mosquitoes?
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leg waiving, proboscus positioning.
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cockroaches
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males exposed gland on dorsal, female feeds on it and male copulates from bottom.
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crane flies
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seriesw of releasing behaviours, ratchet sequence. (if messed up, must start all over again.)
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Malachiid beetles
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Females enticed by pheromones, aphrodesiac
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What is direct fertilization?
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some male reproductive organ insertion.
1)claspers (genetallic) 2)winged claspers |
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Pseudodirect? Examples?
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Male transfers sperm to his abdomen so female can "grab it while in flight"
1) Penile claspers 2) Spiders holding sperm with pedipalps. |
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What is indirect insemination?
How is sex determined? |
1)male leaves sperm with female and she impregnates herself.
2)Hetero(XY)/homegametic(XX) XO-males of hymenoptera, thysanoptera, hemipteroids. |
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What is gynandromorph?
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combination of sexes within one individual
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What is monogeny?
Example? |
Females produce all males or all females for their entire life.
Golden Rod gall midges |
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What is Walbachia bacteria
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A bacteria that creates parthenogenisis (or eliminates all males) prevents specialization.
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