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All Star Pest Management’s approach to the 2021 periodic Cicadas

What are the 17 year Cicadas? When will these cicadas emerge?

Typically beginning in May and ending in late June. These cicadas will begin to emerge approximately when the soil 8″ beneath the ground reaches 64 degrees Fahrenheit. A nice, warm rain will often trigger an emergence. Back in 2004, people began reporting emergencies around May, 13th, but if the weather is warmer, it might start in late April. Learn more about cicadas and how to prepare for this infestation. Call us today!

Cicada

What do they look like?

  • Black, orange and red Cicada insects with a 17-year life cycle.
  • Some people call them “locusts” but they’re really cicadas.
  • There are three 17-year species, Magicicada septendecim, Magicicada cassini and Magicicada septendecula
  • NOT the green ones that arrive annually.

Song of the Cicada

calls that some residents find annoying. Cicada “singing” can be heard for up to 1/2 mile away, making cicadas the loudest of any other insect in the U.S. Most issues with cicadas relate to their noisy and messy behaviors.

Where will these cicadas emerge?

Periodical cicada Brood X (10) will emerge in the spring of 2021 in Delaware, Georgia, Illinois, Indiana, Kentucky, Maryland, Michigan, North Carolina, New Jersey, New York (extinct or nearly so), Ohio, Pennsylvania, Tennessee, Virginia, West Virginia, and Washington D.C. Periodical cicadas are unique in that all (or nearly all) members of the population emerge in one year and then are absent in the intervening years.

Where in Maryland?

Maryland counties: Allegany, Anne Arundel, Baltimore, Carroll, Cecil, Frederick, Garrett, Harford, Howard, Montgomery, Prince Georges, Washington

Maryland places: Abingdon, Annapolis, Aspen Hill, Baltimore, Bel Air, Beltsville, Berwyn Heights, Bethesda, Bowie, Brooklandville, Brooklyn Park, Catonsville, Chevy Chase, Clinton, Colesville, College Park, Columbia, Cockeysville, Crofton, Cumberland, District Heights, Eldersburg, Elkridge, Elkton, Ellicott City, Fair Hill, Fallston, Forestville, Gaithersburg, Gambrills, Germantown, Glen Burnie, Glenelg, Greenbelt, Gwynn Oak, Hagerstown, Hanover, Havre De Grace, Hillcrest Heights, Hunt Valley, Hyattsville, Hydes, Jessup, Landover Hills, Laurel, Lutherville, Odenton, Oella, Owings Mills, Pikesville, Potomac, Randallstown, Reisterstown, Riverdale, Rockville, Severna Park, Sharpsburg, Silver Spring, Takoma Park, Timonium, Towson, Wheaton

Life Cycle of the 17 year Cicada

 

Eggs

The female adult cicada lays eggs on trees and shrubs by inserting the eggs into the small twigs at the outer end of branches. Eggs hatch in about 40-60 days and become nymphs.

Nymphs

Nymphs drop to the ground, burrow about 1 – 2 feet into the soil where they feed on the fluids in the small roots of the host plant. Mature nymphs emerge from the soil, climb onto surrounding trees or shrubs and mature into adults. Soil temperatures of 64 degrees trigger emergence of the nymphs.

Adults

Adults live for about 14-50 days during which time they mate, lay eggs, and die.

Predators

One of the most impressive cicada predators is the cicada killer wasp, a burrowing insect that looks like a huge yellow jacket. During the time of year that adult cicadas are active, cicada killer wasps are often seen either carrying or burying a cicada that was paralyzed by the wasp’s sting.

Cicadas

Treating with chemicals

Since cicadas complete their nymphal stage in the ground, emerge and become adults who live for only about 2-4 weeks, soil treatment with chemicals is usually not worthwhile. Additionally, chemical treatments have little to no effect on “migrating populations,” as the pests often move to one’s property from adjacent, untreated, and infested locations.

Preventing damage to plants

Cicadas do not eat leaves but may harm some plants when they lay eggs. Typically, homeowners only have problems with cast-off cicada skins, which pile up in yards and on patios.

Avoid using insecticides since cicadas will come to your plants from locations outside your property in such large numbers that spraying is of little benefit. Some effective non-chemical methods of cicada treatment include:

 

  • By Hand – Picking adults and nymphs off plants by hand, if found in small enough numbers.
  • Garden Hose – Knocking cicadas off plants by spraying water with a garden hose.
  • Foil & Barrier Tape – Wrapping tree trunks and large bushes with foil or sticky bands (barrier tape) to catch cicadas trying to move up plants to feed or lay eggs.
  • Netting – Protecting young or valuable plants by covering them with netting.

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