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HUNTERDON COUNTY HEALTH
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MOSQUITO & VECTOR CONTROL SERVICES:
WEST NILE VIRUS
About WNV
Should Hunterdon Be Concerned about WNV?
Staying Ahead of WNV
West Nile & Mosquito Spray Schedule
Commonly Used Pesticides
 
BLACK FLY CONTROL
Black Fly (Gnat) Treatment Schedule
Black Fly (Gnat) Survey
 
BED BUGS
Guidelines for the Prevention and Control
Las Chinches De Cama
Photographs of Bed Bugs and Bed Bug Bites
 
 

The Web Hunterdon
 


Karen B. DeMarco, Department Head/County Health Officer

Tadhgh Rainey, Division Head - Health

908-788-1351
health@co.hunterdon.nj.us

314 State Route 12
County Complex, Building #1
Flemington, NJ 08822-2900

 
Hunterdon County Department of Health

WELCOME TO THE
HUNTERDON COUNTY DEPARTMENT OF HEALTH
Mosquito & Vector Control Services

HUNTERDON COUNTY BROOD X CICADA WATCH 2021

The Hunterdon County 17-year Cicada Watch is On

There are two general types of cicadas we see in Hunterdon – annual cicadas and 17-year cicadas. This year we will see both but will start with the emergence of 17-year cicadas. As the name implies these insects emerge from the ground every 17 years, having spent their entire immature life in the soil. Brood X (pronounced “Brood 10”) will appear at some point in the next month. Depending on temperature we will likely see them before Memorial Day.

As you travel the county tell us where and when you saw the them by logging-in a point on the map. And then watch it grow!
Most cicadas will emerge at night.  CLICK HERE TO START LOGGING YOUR FINDINGS...  Come back and submit for every new sighting!

Click here to view the progress on the map - updated Monday through Friday.

Pictures below will give residents an idea of what they can expect to see (CLICK HERE FOR LARGER VIEW OF IMAGE BELOW)

cicada watch

From left to right you will see the fully mature larval cicada as it leaves the ground to molt into the adult insect (picture 1). Cicadas emerge from the immature stage (pictures 2-4) gradually but in just a few minutes. The adult insect is fully developed inside; however, its skin is soft (white to translucent in appearance). Through hydrostatic pressure the adult insect breaks through and gradually crawls out of its larval exoskeleton. As it pumps itself up it becomes larger, and the wings spread to its full adult form (pictures 5-7). Very quickly proteins within the body cause the insect to harden and darken, at which point the cicada takes its final form (picture 8). It leaves behind its larval exoskeleton, commonly referred to as a cicada shell (picture 9)


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