American Museum of Natural History on Twitter: "What's the purpose of the sacs of the lesser sac-winged bat? The sacs on its wings are scent glands, which are used to mark territory
Swing Under the Wings” event returns to the SAC Museum
Economic entomology for the farmer... THE INSECT WORLD. 77 egg-sacs of Lycosid or running spiders. The larva, that succeeds, enters the sac and begins feeding upon the eggs, gradually losing its