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a.—adult abdomen adults Angeles Basin antennae ants aphids aquatic areas arthropods b.—larva bees Beetles Family biology bite body brown burrow butterfly Calif California California Oak Moth canyons caterpillars Characteristic insect Coast Live Oak Cockroach cocoon color common conspicuous Cricket Cutworm dark develop disease eggs elongate Entomol feed female Figure Flea Flies Family flowers fore wings garden grasshoppers green ground habits hairs head hind wings host House Fly Human Louse inch long infest Katydid large numbers larvae legs lice light live Louse male mantids mature Mites Mosquito Moths Family Mountains mouthparts nest nymphs occur organic Oriental Cockroach pair parasitic pests prey prothorax pupa pupate Reference San Gabriel San Gabriel Mountains scale insects Scorpion segment silk Silverfish skin slender soil species specimens spider spots sting surface tarantula Termite thorax tick trees Univ usually Vector vegetation wasps Weevil Western wood yellow Yucca