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