INSECT REPRODUCTIVE SYSTEM

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INSECT REPRODUCTIVE SYSTEM
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Insect Reproductive System
gonad
Primary exit system
Mesodermal
Secondary exit system
Ectodermal
gonopore
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Female Reproductive System
ovary
ovariole
lateral oviduct
common oviduct
spermathecal gland
spermatheca
accessory gland
vagina
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Ovarioles
terminal filament
Germarium (2N)
Vitellarium (N)
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• Ovarioles
• Dieroistic
• Panoistic
• Meroistic
• a. Polytrophic
• Telotrophic
• (Acrotrophic)

Types of Ovarioles
1. Dieroistic
common sac
primary oocyte
follicle cells
Lateral oviduct
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• Ovarioles
• Dieroistic
• Panoistic
• Meroistic
• a. Polytrophic
• Telotrophic
• (Acrotrophic)

Types of Ovarioles
2. Panoistic
primary oocyte
peritoneal sheath
germinal vesicle (nucleus)
follicle cells
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• Ovarioles
• Dieroistic
• Panoistic
• Meroistic
• a. Polytrophic
• Telotrophic
• (Acrotrophic)

Types of Ovarioles
2. Meroistic a. Polytrophic
primary oocyte
nurse cells
peritoneal sheath
germinal vesicle (nucleus)
follicle cells
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• Ovarioles
• Dieroistic
• Panoistic
• Meroistic
• a. Polytrophic
• Telotrophic
• (Acrotrophic)

Types of Ovarioles
2. Meroistic b. Telotrophic
nurse cells
trophic cord
primary oocyte
peritoneal sheath
germinal vesicle (nucleus)
follicle cells
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Male Reproductive System
testis
sperm tubule
seminal vesicle
vas deferens
accessory gland
Ejaculatory duct
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Male Reproductive System
apical cell
2N
Germarium
Zone of Growth
N
Zone of Maturation
Zone of Transformation
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Accessory gland products - Spermatophore