University Daily Kansan, October 28. 1982 Page 3 Smell of sex helps kill cockroaches By BRET WALLACE Staff Reporter Sex has lured people to buy cars, soap and many other products. Now a KU professor is using it to lure cockroaches to their deaths. William Bell, professor of physiology and cell biology and entomology, said recently that a sex stimulus was an important factor in cockroach cochokes to trans and lethal sprays. Male cockroaches are attracted to the scent of female cockroach pheromones, Bell said. Pheromones are chemical substances released by one individual to attract another individual of the same species. WHEN PHEROMONES are used in traps or sprays, a male cockroach is attracted from great distances and then killed, he said. He has worked to attract male cockroaches because they are more active, and the only ones people see in male cockroachs stay in hiding, he said. Bell said he began his study, which is financed by the National Science Foundation, as a study of olfactory responses, or responses to smells. The cockroach is the best insect to use because of its elongated antennae, which contain thousands of smell receptors. BESIDES HELPING to kill cockroaches, the success of Bell's research and the commercial development helped save the National Science Foundation, he said. President Reagan's budget called for the elimination of the NSF. Sen. Edward Kennedy, D-Mass, used Bell's project as an example in arguing for the NSF on the floor of the Senate, Bell said. INDUSTRY BECAME interested in his research when he discovered that cockroaches are strongly attracted to the pheromone odor, he said. Bell has worked with Health-Chem Corp., New York, and Clark Still, professor of chemistry at Columbia University to develop a synthesized oxygen pheophrida. Be the 89. Still synthesized the sex pheromone of the American cockroach, which Bell had been working with. Bell said. The American cockroach is one of four kinds found in the United States. The others are Oriental, Brown-banded and German, which is the most common kind in Lawrence, he said. Bell is now working with Still to develop a synthetic pheromone for German cockroaches. The aerial spray contains less than 0.001 percent of the synthesized phenol. traps, solid strips and aerosol sprays using the synthesized pheromone, Bell HEALTH-CHEM HAS developed Bill Hogate, director of marketing for Health-Chem, said using the pheromone allowed the company to take out the aromatic chemicals that were in other sprays, so the smell of the Health-Chem product, was not offensive. Hogale said the products, which are G hogale Lure-M Kill, had worked pheno- tics. "They were tested extensively in the tropics, the Philippines specifically, and they were found to be four to eight weeks later than regular aerosols," he said. IN TESTS PERFORMED in houses in the southwest United States, people also preferred the pheromone products, Hogate said. Bell said another advantage of the pheromone product was that it could be placed anywhere the user wanted. Current products have to be placed in the cookroaches' path, but the cook-room will be lured to the pheromone trap. Lewin urges gripes about heat KU workers not left in cold By STEVE CUSICK Staff Reporter The personnel director of the University of Kansas is urging KU employees who are suffering from cold soils to contact KU officials. David Lewin, KU personnel director, said yesterday that workers should let either their supervisors or other staff present know of any such health problems. KU officials hope to cut utility bills by turning on the University's heating system a month later than usual this fall. The system, which will be turned on Nov. 15, normally is turned on Oct. 15. HE SAID his office had not yet received any reports of anyone's health being affected by cold buildings. However, he said, "I am sure that there are some ailments and physical conditions that are aggravated by the cold." Lisa Berry, manager of the political science department office in Blake Hall, said she had such an ailment. SHE MUST KEEP warm because of a circulatory problem, she said. "My body doesn't regulate itself as well as other people's do," she said. If she is forced to stay in a room that is constantly below 65 degrees, she said, "the blood vessels in my hands are always in sensation and feeling in my hands." To combat the cold, she said, she uses a portable electric heater to keep warm. University administrators frown on the use of such heaters, but Berry said she had not been contacted by anyone from Strong Hall. BERRY SAID THAT she thought other employees who have chronic health problems, especially arthritis, are afraid to speak the cold, but are afraid to speak up. Lewin said, "It wouldn't surprise me if some of those employees would have to use supplemental heat." also might be affected more by cold rooms. Berry said that elderly employees She said she thought that employees with health problems might be reluctant to approach their bosses. "Most people who have health problems don't want their employers to know about it," she said. However, she said, the University should make a policy for handling the problem. BERRY SAID THAT "since we're in such a minority" the University policy of turning on the heat is not necessarily unfair. SHE SAID THAT KU administrators had yet to send out a memo detailing what steps to take to correct the problem. Employees with health problems who are suffering from the cold, she said, "should have a place to go to make themselves known." Lewin said that administrators would not be able to help those suffering because of the low temperature besides they contacted their supervisors. Fraught With Final Fever? Attend the Study Skills Workshop with emphasis on preparing for exams! FREE Tuesday, November 2 7:00 to 9:00 p.m. Big 8 Room, Kansas Union Sponsored by The Student Assistance Center Outdoor Recreation Education Adventure Discovery Program at 23rd and Iowa beginning at 7:30 p.m. Guest speaker will feature Sherry Ladder, Army Corp of Engineers with helpful hints for WINTER CAMPING; Open to the public/FREE A "SPECIAL EVENT" provided by Recreation Services. O.R.E.A.D. TONIGHT LADIES DAY TODAY 944 MASSACHUSETTS LADIES PURCHASE 25c for 15oz Draws $1.25 for 60oz Pitchers between 3-9PM Soup 'n Salad Prairie Room Level 2, Kansas Union M-F 11 a.m. - 2 p.m. Reservations Welcome! SOUP 'N SALAD THE SALAD BAR One of the best. Fuel of good taste to eat, including a great Chinese sauce. Make a lunch of rice, chicken and vegetables. 2.75 CUP OF SOUP Other Suaaestions LUNCHEN STEAK Rip Eye Steak - cooked to served with Polenta Salad and Ivy Raspberry Bars 5.75 VEGETARIAN DELIET Dark Rye spice with Cream Cheese and Pecans marinated Cucumber slices and Served with Fresh Apple Juices Served with Fresh Apple Juices THE REUBEN A new way. Open-faced with potatoes and garnished with turkey. Corned beef, breast of Turkey. Mashed potato, potato salad with a hint of malted tomatoes and a hint of Corned Beef and Cucumber Salad. FASHIONED BURGER Choice Ground Beef brined on a toasted onion Run with all the trimmings Served with our Special Soup Cream Salad TACO SALAD A crisp Torita shell filled with Lattice, Tomatoe, Garamzo Beans and seasoned Bean Isoap. Drizzled with arugula and Cream. Served with Fresh Fruit Garnish. Served our special tea pair. Lean锅调拌 Chip Beet wrapped with Mushroom Puree and Tomato with Millet Cheddar. Or Gratin with Sage and Oregano. Get the Sandwich bar also. To complete your meal LUNCHEON STEAK ALL AMERICAN Shaved Ham filled with high-loaded English Muffin, baked with a rich Cheddar Sauce. Topped off with Bacon and tomato salad. OLD FASHIONED BURGER GARDEN BOWL Mixed Garden Orchids with plenty of Turkey, Cheese and Crab Cheeon Accompany it with your favorite dressing Chicken Slices and Brown Rice 2.95 French Dip and Potato sauscs 2.95 Quatre and Fruit 2.95 Quatre and Fish 2.95 Mushroom Bread 2.95 Fish and Chips 2.95 Potato Salad in Sweetened Condiment STEAK AND SUCH MONDAY TUESDAY WEDNESDAY THURSDAY FRIDAY Specials of the Dav ALL AMERICAN DEEP DISH APPLE PIE A homemade pie fry from the oven, with a big scoop of butter. 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Wall - install new spark plugs * set engine to recommended manufacturer's specifications adjust carburetor * install new operation of choke * install new fuel filter/Mazda and Toyota only - rotary engines not included LAWRENCE AUTO PLAZA 842 2101 Coupons must be presented at time of write-up TOYOTA LAWRENCE MAZDA alliance ignitor (included all parts and labor-6-cyl) models slightly higher. We'll * install new spark plugs * replace points and cond * replace valve bodies * manufacturer's specifications * adjust carburetor * inspect operation of choke * inspect fuel mixture (Mazda and Toyotas only) * rotary engines not included $36.95 DA LAWRENCE TOYOTA/MAZDA LAWRENCE TOYOTA/MAZDA LAWRENCE TOYOTA/MAZDA LAWRENCE TOYOTA/MAZDA 1