Useful and damaging insects. - 10 prepared slides in box

59-5340 Useful and damaging insects 59-5340/1 Ant (Formica), humificating insect, head of worker with mouth parts 59-5340/2 Honey bee (Apis), important pollinating insect, wing w.m. 59-5340/3 Silkworm (Bombyx), t.s. of caterpillar with silk glands 59-5340/4 Dragonfly (Odonata), predator of mosquitoes, t.s. through intestine 59-5340/5 Potato-bug (Leptinotarsa), t.s. through larva showing fat body 59-5340/6 Cabbage-butterfly (Pieris), t.s. through abdomen with internal organs 59-5340/7 Mosquito, transfer host of blood parasites, head with piercing mouthparts, w.m. 59-5340/8 Moth, pest of textiles, portion of wing with scales, w.m. 59-5340/9 Cockroach (Periplaneta), filiform antenna w.m. 59-5340/10 Plant lice (Aphidae), wingless stages, w.m.