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DCNR Blog: Citizen Science Program Leads To Discovery Of New Moth In PA

Each year in July, since 2011, biologists from the PA Natural Heritage Program have participated in a global citizen science project for National Moth Week.

This year, their participation led to an important new discovery in southwestern Pennsylvania!

Heitzman's Dagger Moth

In late July, PNHP staff were testing a new light set up to attract moths to prepare for a program and survey.

While they were viewing and photographing moths attracted to the light station at an Allegheny County woodlot, they noticed an unfamiliar-looking dagger moth, so named for black, dagger-like wing markings.

After further study and consulting with experts, they confirmed a new moth species for Pennsylvania, Heitzman’s dagger moth (Acronicta heitzmani).

Heitzman’s dagger moth is a rare species known from the Midwest U.S., first collected in Missouri in 1964. The moth appears to occur in oak-hickory forest and woodlands, as was the case in Allegheny County.

On the same night, a Heitzman’s dagger moth also was documented at a National Moth Week event at Raccoon Creek State Park in Beaver County.

Discovery Raises New Questions

As is the case with many scientific discoveries, they often lead to more questions requiring further investigation. Here are some:

-- Why was this species only discovered now?

-- Why were the first occurrences on the same night?

-- What host plants support this species?

-- Is its range expanding, or is the species just very rare or difficult to detect?

Why Care About Moths?

Moths are among the most diverse and successful organisms on earth. Scientists estimate there are 150,000 to more than 500,000 moth species.

Their colors and patterns are either dazzling or so cryptic that they define camouflage. Shapes and sizes span the gamut from as small as a pinhead to as large as an adult’s hand.

Most moths are nocturnal, and need to be sought at night to be seen -- others fly like butterflies during the day.

After dark, moths and bats take over the night shift for pollination. Nocturnal flowers with pale or white flowers heavy with fragrance attract these pollinating insects.

National Moth Week

Finding moths can be as simple as leaving a porch light on and checking it after dark. Serious moth aficionados use special lights and baits to attract them.

National Moth Week celebrates the beauty, life cycles, and habitats of moths. “Moth-ers” of all ages and abilities are encouraged to learn about, observe, and document moths in their backyards, parks, and neighborhoods.

Organizers encourage participation by registering an event. The week in 2019 will be July 20-28.

Citizen Science

National Moth Week offers everyone, everywhere a unique opportunity to become a citizen scientist and contribute scientific data about moths.

Citizen science involves people taking part in the collection of information that helps increase scientific knowledge.

Pennsylvania state parks offer a number of opportunities throughout the year for the public to participate in citizen science. The next upcoming opportunity will be Operation Feeder Watch listed on the DCNR Calendar of Events.

PA Natural Heritage Program

DCNR is a partner in the PA Natural Heritage Program, which conducts inventories and collects data on the Commonwealth’s biological diversity.

This article was adapted from a Wild Heritage News article by David Yeany, Conservation Planning Specialist & Ornithologist, Pennsylvania Natural Heritage Program, Western Pennsylvania Conservancy.

To stay in touch with the work of the program, sign up for their newsletter.

For more information on state parks and forests and recreation in Pennsylvania, visit DCNR’s website, Click Here to sign up for the Resource newsletter, Visit the Good Natured DCNR Blog, Click Here for upcoming events, Click Here to hook up with DCNR on other social media-- Facebook, Twitter, YouTube and Flickr.

Other Citizen Science Training Opportunities:

EnviroDIY.org

Leaf Pack Network

Stroud Water Research Center Citizen Science Programs

Penn State Extension: Master Well Owner Network

Penn State Extension: Master Watershed Stewards

Penn State Extension: Master Gardeners

DCNR TreeVitalize Tree Tenders Training

Pennsylvania Master Naturalist Program

iConserve PA Citizen Science Opportunities

PA Audubon Citizen Science Programs

Citizen Science - Audubon Of Western PA