Egg-parasitoids wasp of a water strider 1@@(This is not a dragonfly.)
The final renewal day of this page is September 8, 2003.
eigure7-1: 1. One kind of the water striders 2. The place where many eggs of the water strider were found.
eigure7-2: The eggs of the water strider (Gerris sp.) @The egg seen in the photograph is the egg of the water strider that it lays eggs in the root of the plant which grew in the surface of the water. I brought back this root to observe the egg of Ischnura senegalensis. The egg-parasitoids wasp are in the blackish egg.
eigure7-3:The eggs of the water strider (Gerris sp.) The egg that compound eyes look red is the egg which a water strider hatches. It is the egg which an egg-parasitoids wasp parasitizes that compound eyes don't turn red. @The size of the egg: 1.35mm~0.55mm.
eigure7-4: 1. The egg of the water strider which an egg-parasitoids wasp parasitized The egg which an egg-parasitoids wasp parasitized becomes blackish. The inside of the egg isn't transparent. Before an egg-parasitoids wasp emerges half of the egg becomes a little transparent. 2. A round hole is made because an egg-parasitoids wasp bites off the shell of the egg and comes out. 3. An egg with the oblong crack is the egg which a water strider hatched.
eigure7-5: The egg-parasitoids wasp of the water strider@Size: body length 1.05mm. antenna length 0.65mm.