U J Scientists Study Selective Feeding Habits Of Insects The cabbage (butterfly seeks out the cabbage •patch In the garden to deposit its eggs. The caterpillars that hatch from the eggs cat and grow to maturity on the plants se lected by the parent (butter fly. If the caterpillars are * Starline ★ Comfort Stalls, Water Bowls, Chain-Tie Stalls & Stanchions, Stainless Steel Wash Tanks, Steel Columns, Bull, Cow & Calf Pens and the NEW STARLINE GALVANIZED ECONOMY CO.MFORT STALL. Most material al- ways in stock. Distributed by MXHokeEstate Manheim, Pa. +++++*++**+**********4 Lawn Foods Dupont Scotts Lawn Seeds Scotts Old English Field Seeds Clovers Alfalfas Onion Sets Seed Potatoes Cobblers Katahdins Kennebecs Garden Seeds Schells Place Your Order Now Lime Bag Field Spread MICHIGAN PEAT TOBACCO MUSLIN 2-3-4 Yd. Widths GARDEN TOOLS LAWN MOWERS Groff's li2 ' Hardware South Railroad Avenue New Holland, Pa. swws. They Induced' five in- m ,j xtUlPe hlld i„ petrl agar water without the ex plnccd on other plants to softs to feed on agar con- dllsh€s , hnM of th<J j elledl ex . tract. scientists thci which (hov arc not accus- talninig a water soluble sub- . .. tomcd they so on a hunger stance extracted from the host traot was removed from each (Continued on Page 14) strike.’ doggedly refusing to of each insect. cat, and finally perish miser- They experimented with thej ably in the midst of 'plenty. Monarch (butterfly on milk- How selective ore such weed* ilw elm Icof Decile on feeding habits of insects? And, American elm, a species of could insects be tricked into Gastrophysa on dock, the feeding on substitute diets squash bug on pumpkin, and perhaps containing an in- th e toll weevil on cotton sccticide? squares. These are penetrating ques- The researchers obtained tions, and ARiS entomologists water extracts from each of J. C. Keller and T. B. Davich the plants and mixed the ex- Fertilizer doesn't cost it PAYS! Accurate, precision field spread Agwav Costs to Cut ABOUT ASK ENOS It BUCKWALTER 2281 Old Phtla. Pike MAURICE M. GOOD HENRY B. HOOVER Gordonville R 1 A Great DEKALB® Variety with "All-Around" Balance P;Jt. ROHR ER & BRO.^IHe. STIOKETOWN Bare Minimum BULK PICK-UP FARMERS FEED & SUPPLY. New Holland* FjU-| Ephrata, Pa. Bred by DeKalb Researdi to fight blight, borers and stalk rots—to give top yields of dry, sound grain. PLANT ALL DEKALB MEXT mu "DEKALB” It a Rafistarad Brand Naan. Tha Numbtr It a Variaty DatlfniUan. fertilizer service WILSON M. SCOTT Willow Street R 1 QUARRYVILLE AGWAY STORE Church St., Quarryville, Pa. Ph. Lane. 397-3539
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