. Elementary entomology . Nymph Of lubber gra growth. This process, reticnlata}; similar to the adult (Fig. 105) in general ' form, except in lacking wings Called molting, OCCUrs in all insects, as well as among other Arthropods, the skin being usually shed some four or five times during growth, though some species molt from ten to twenty times. j Incomplete metamorphosis. Young insects which resemble the adults, as those of the grasshopper, are termed nymphs. After the sec- ond or third molt, small wing pads appear on the back, becoming much larger with the fourth molt, and upon the fifth mol
. Elementary entomology . Nymph Of lubber gra growth. This process, reticnlata}; similar to the adult (Fig. 105) in general ' form, except in lacking wings Called molting, OCCUrs in all insects, as well as among other Arthropods, the skin being usually shed some four or five times during growth, though some species molt from ten to twenty times. j Incomplete metamorphosis. Young insects which resemble the adults, as those of the grasshopper, are termed nymphs. After the sec- ond or third molt, small wing pads appear on the back, becoming much larger with the fourth molt, and upon the fifth molt the adult FlG- 58- A typical larva, the cotton bollworm or corn-ear worm; totally unlike the adult winged insect emerges, to moth in form feed and reproduce. Complete metamorphosis. The caterpillar, maggot, or grub bear- ing no resemblance to its parents is called a larva. The larva grows and molts several times, and although its new clothes are sometimes of a different color, they are all cut on the same pattern, and there is usually no marked change in shape or structure until the larva is full grown. Upon reaching its growth the larva molts for the last time and transforms into a pupa. The pupa is a dormant
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