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sb mak- Don't wear bright colored clothing, baggy clothes and tie up long hair. [Bees may get stuck inside loose clothing and long hair; - Keep all food covered and don't drink out of open cans; If you can't avoid getting stung, back up slowly and don't make any sudden movements. Running away swatting at bees just makes them angrier. Although all wasps will defend their nests, Yellow Jackets and hornets are the most aggressive and are the ones that cause the most problems. They can be distinguished from bees by their thin "waists." Bees are thick-waisted. When a wasp stings, it injects a venomous fluid under the skin. The venom causes a painful swelling that may last several days. In some cases a wasp sting may cause severe illness or even death. The most persistent wasps at picnics and outdoor meals are Yellow Jackets. They're looking for meat, proteins or sugary foods or drinks. Yellow Jackets become more aggressive and likely to sting in late summer and early fall when the colony is declining. Wasps can usually be identified by their nests and their location. Hornets, Polistes and mud daubers build nests above the ground. Hornets and Polistes nest in trees, shrubbery and under eaves. Mud daubers nest under eaves, porch roofs or similar sheltered areas. Yellow jackets usually build their nests in the ground, but sometimes build them above the ground. Cicada killers nest in the ground. Hornets, yellow jackets, Polistes, mud daubers and the cicada killers are all wasps. They are generally considered to be beneficial because they attack and destroy many harmful insects found around homes and gardens. Hornets andyellow jackets kill such pests as house flies, blow flies and various caterpillars. Polistes are predators of corn earworms, armyworms and many other garden pests. Though beneficial, wasps also attack people. If disturbed, hornets,yellow jackets and Polistes will sting. Mud daubers and cicada killers usually are not as aggressive and will not sting unless touched or accidentally caught in clothing. If wasps build nests on houses or in bushes where children play or living activities are carried on, nest destruction or chemical control is necessary. Note: If removal of a nest is necessary, the best option is to get professional help from a pest control company or a bee keeper, because any disturbance around a nest can trigger a mass attack. tryout choose to do it yourself, complete body coverage and protection is essential, because Yellow Jackets can find even small openings. 2.3.5 Poison Oak Poison oak is known by a number of local names because of its wide variation of appearance in different locations. Some poison oak has heavy, rough, woody vines. Others are trailing shrubs that run on the ground, while others are erect, woody shrubs. The leaf shape differs on different plants as well as on the same plant. One thing remains the same: there are always three leaflets. sb Environmental Services,LLC O October,2003 California Integrated Waste Management Board Site Specific Health and Safety Plan Page 20 of 62 Tracy Tire Fire Remediation Project