. Common Illinois insects : and why they are interesting. Insects -- Illinois. 21. Saddle-back {Sibine stimulea) destroyed by parasites. Millions of destructive caterpillars are victims of parasitic wasps whose larvae grow inside body and emerge to spin cocoons. (3x) Parasites differ from the preda- tors in that they enter the body of the victim, called the host, feeding on blood or tissues until full grown. By this time the host is dead or nearly so, and the parasite trans- forms to adult which mates and lays its Qgg on another victim. The long "sting" ou the body of the Long- taile
. Common Illinois insects : and why they are interesting. Insects -- Illinois. 21. Saddle-back {Sibine stimulea) destroyed by parasites. Millions of destructive caterpillars are victims of parasitic wasps whose larvae grow inside body and emerge to spin cocoons. (3x) Parasites differ from the preda- tors in that they enter the body of the victim, called the host, feeding on blood or tissues until full grown. By this time the host is dead or nearly so, and the parasite trans- forms to adult which mates and lays its Qgg on another victim. The long "sting" ou the body of the Long- tailed Megarhyssa is actually an egg laying organ (ovipositor) used in inserting the eggs in the burrows of a pestiferous insect, the elm and maple borer (pigeon tremex). After hatching from the egg the parasitic larva crawls along the burrow until it finds the wood-boring larva, its Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Wright, A. Gilbert (Arthur Gilbert), 1909-. Springfield, Il. : Dept. of Registration and Education
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