Demons of the Dust

1817 LIBRARIES abdomen abdominal segments adult animals ant-lion ant-lion and worm-lion antennæ ants Atherix behavior Bezzi body burrow canariensis caterpillars cells chitinous cocoon color Degeer described desert Diptera Doflein dunes dust ecdysis eggs entomologist environment excavating fauna feed female flies fore funnel genera genus glands hairs head head-capsule hind Hymenoptera imago insect Lampromyia larva larvæ larval skin latter legs lion living male Malpighian tubules mandibles maxillæ ment Myrmeleon Myrmeleontids Neuroptera observations organs oviposition pair pallida pebble peculiar pitfall portion prey probably psammophiles pseudopod pupa pupal pupate Réaumur resemble Rhagio Rhagionids sand sandgrains sandy sclerites seems seen seized sericea setæ side SIERRA WORM-LION slender soil species specimens spiders spinneret spiracles stage Stäger stigmatic stomach structure temperature terminal thoracic segments thorax tibiæ tion tossed ventral Vermileo Vermileo and Lampromyia Vermileo comstocki Vermileo larvæ Vermileoninæ walls wasps wings worm worm-lion xerophiles