Methuselah Of The Insect World To Emerge In Western Pa. UNIVERSITY PARK (Centre Co.) One of the world’s most mysterious insects is about to in vade the skies over western Penn sylvania, but an expert in Penn State’s College of Agricultural Sciences said it’s not a cause for alarm. Residents of Allegheny, Arm strong, Beaver, Butler, Cambria, Clarion, Crawford, Fayette, For est, Huntingdon, Indiana, Law rence, Mercer, Venango, Wash ington and Westmoreland counties soon will see an emer gence of periodical cicadas, com monly but mistakenly called 17-year locusts. “These insects (Continued from Page A 10) losses near 10 percent. Informa tion from Brigham Young Uni formation since their study began versity shows similar results, early in 2000. Their data consis- This difference of seven per tently shows average dry matter cent of dry matter may not seem [PAUL B. POLY IrIA luIfIN I® by Norwesco TANKS 111111 Horizontal " foa^marker • 5 gal. Tank • 3 Hrs. Foam Per Tank H~ M • Extra Heavy Duty Compressor {■” - - • Includes All Wire & Hoses Needed %. '. '"{mmL^Sd l For Installation $54900 'W**** Liquid Applicator Kits Electric Rinse System • Designed To Add To An Existing Sprayer • No Modification To Existing Plumbing Required • 30 gal. Fresh Water Tank For Rinsing Up To A 500 Gal. Sprayer • 7 gpm, 12 volt Electric Pump • In-Tank Spinning Rinse Nozzle • 25 ft. Wash Down Hose with Hand Nozzle • Wiring Harness With In Cab Controls • Rinse Your Sprayer From The Tractor Seat! • All Necessary Hose, Fittings, And Clamps Included are harmless to people, but they can damage shade trees, fruit trees or high-value ornamentals,” said extension entomologist Gre gory Hoover. Damage caused by periodical cicadas occurs during egg-laying. Using the blades of a saw-like de vice on her abdomen, a female will cut several small pockets in the bark of a twig before deposit ing 400 to 600 eggs. This process can cause small limbs or seed lings to wilt and may provide an opening for disease. Adults live only a few weeks, but the twig in jury they cause may be apparent for several years. “Periodical cicadas are some- sffliwiii • 15 gal. & 25 gal. Tanks • 1.4 GPM, 12 volt ShurFlo Pump, 60 psi Max • Inline Filter • Pressure Regulator • Stainless Pressure Gauge • 18 ft. Wiring Harness with Switch and Fuse • 15 ft. Hose, 2 Nozzle Bodies, 4 Tips, and Clamps included • Available with optional 115 volt Pump for Field Sprayers * y* * < x ' ’ & -k'** - - ah..i times called nature’s pruners,” said Hoover. “Although adult ci cadas are difficult to control, nursery owners or others with trees at risk may want to apply registered insecticides around the time mating starts about 10 days after they first hear the males singing.” If a pesticide is used, label instructions should be carefully read and followed. Other protection methods in clude covering the crown of valu able trees with a fine mesh or de laying the planting of trees until the adult cicadas are gone, usually in early July. The periodical cicada is native significant, but even on a small scale it can mean a large econom ic difference. Saving an extra seven percent of 1,000 tons of for age valued at $3O per ton is in ef fect a savings of $2,100 per year. In large storage situations, the difference becomes drastic. I urge all producers to look into the source of their informa tion before making a decision with such a large effect. Leroy Shefchlk Chairman International Silo Association Green Bay, Wis. PACER PU! 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BB SOWoodcomerßd.,Ulltz, PA 17543 777 UnSl 1 Mile West of Ephrata rues. wed 75 30 r( JU J __L_ Sat 7 4(K> (717)738-7350 » HARDWARE « FARM SUPPLIES • CUSTOM MANUFACTURING • CRANE SERVICE to North America and exists no where else in the world. There are six species of periodical cica das, three with a 17-year cycle and three with a 13-year cycle. Those found in Pennsylvania are 17-year periodical cicadas. Adult periodical cicadas are about 1 Vz inches long with red dish eyes and orange wing veins. They are smaller than their cous ins, the annual or dog-day cica das usually seen and heard in the heat of late summer. Periodical cicada populations called broods are identified by Roman numerals. Each brood is classified by the year in which it emerges. The cicadas surfacing this year are members of Brood VIII, which last was seen in 1985. Brood VIII distribution includes 16 counties in western Pennsylva nia. Cicada nymphs spend 17 years from 2 to 24 inches underground, sucking nutrients from plant roots. In late April and May, they burrow to within an inch of the soil surface, where they await an undetermined signal for emer gence. If the ground is too damp, they often build small earthen turrets over their holes to protect their escape routes from too much moisture. SPRAY TANK CLEANER *085160 a tbs. *5.85 to Stock A Complete L We Al! Pumps and Accessories Lancaster Farming, Saturday, May 4, 2002-A29 M w ■■ m mm ukCI A ■ flip for Sprayers & 'Parts When the time is right, usually in late May or early June, the nymphs exit the soil through half-inch holes and climb a foot or more up trees or other objects. Within an hour, they shed their nymphal skins and become adults. Adult cicadas are clumsy fly ers, often colliding with objects in flight. Males begin their constant singing shortly after they emerge, but the females are silent. When heard from a distance, the cica das’ chorus is a whirring mono tone, sometimes described as eerie-sounding. On rare occasions when an adult eats, it sucks fluid from small twigs but does not feed on leaves. Ten days follow ing emergence, mating takes place. Adults live up to four weeks above ground. Six to seven weeks after the eggs are laid, the nymphs hatch and drop to the ground. There, they enter the soil, not to see the light of day for 17 years. For a free fact sheet on period ical cicadas, visit the Web at http://www.ento.psu.edu/ extension/factsheets/ periodical—cicada.htm or contact the Penn State Cooperative Ex tension office in your county. FOAM DYE •009077 For Higher Visibility roam *14.80 p.,, ie Of: • Sprayer Hose • Ball Valves • Nylon Fittings • Poly Tanks
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