Maintaining our
wooded heritage for
future generations.
      N 43° 21.598'
      W 81° 17.683'
      Elev. 1064 ft.
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Next
General
Meeting
Sunday
Oct. 1st, 2022





The Sawyer Preservation Woodlot Association was established in 1989 and acts as a "trustee and guardian" for a 28.61 acre wooded tract located in rural southwestern Ontario. The mandate is to manage the property so as to maintain Red Trillium the richness and diversity of the species within its boundaries and to encourage and promote stewardship of the declining wooded areas of this country. In so doing, the property is maintained as a demonstration woodlot and conservation area where the public is welcome.

The woodlot often hosts organized visits ranging from school children to the "Back Road Tours". Abundant flora and fauna attracts a broad spectrum of individuals -- conservation specialists -- the serious nature lover -- those simply wishing solitude. Each visit will provide a new experience. Every day is different -- each season presents its own offering. Wildlife abounds. Residents and transients; common and rare. Each encounter provides that tingle of excitement as one takes in what nature has to offer.


ALERT ... Invasive Species

Such a pretty moth, BUT ... this invasive is a threat to grapes, apple trees, various stonefruits, pines, oaks, walnuts, and poplars. They have been known to feed on many other hardwood tree species.

The Spotted Lanternfly causes serious damage including oozing sap, wilting, leaf curling and dieback in trees, vines, crops and many other types of plants. In addition to plant damage, when spotted lanternflies feed, they excrete a sugary substance, called honeydew, that encourages the growth of black sooty mold. This mold is harmless to people however it causes damage to plants.

The Spotted Lanternfly originated from southeast Asia and arrived in North America around 2012. Although not yet detected in Ontario, it is well established in the northeast USA including Ohio. In 2020, 2 dead specimens were found in shipping materials in Michigan.

Spotted Lanternfly Fact Sheet




Action Needed Now...

Spongy (Gypsy) Moth Eggs
The Spongy Moth (Lymantria dispar) hibernates in egg masses that are covered with tan or buff-coloured hairs, and may be found on tree trunks or bark, outdoor furniture, or the sides of buildings. The egg masses are about the size of a loonie, and may contain from 100 to 1,000 eggs. Uncontrolled, these eggs will hatch in the spring and generate a feeding frenzy in the crowns of nearby trees.

We can help protect our favourite trees by early spring removal of these egg masses. Scrape all you can into a container and then soak in detergent-water for a couple of days.


Garlic Mustard
Garlic Mustard is an invasive herb (a prohibited noxious weed) that will quickly take over an area and choke out all other plants. If unsure of identification, crush a leaf or two and note the aroma ... garlic.

The plant can grow in a wide range of sunny to fully shaded habitats, including undisturbed forest, forest edges, gardens and roadsides. It can thrive almost anywhere. Garlic mustard does not provide a valuable food source for native wildlife.

Removal should be done in the spring before the seeds set. Simply pull the plant with as much root as possible, and place into a black plastic garbage bag. DO NOT COMPOST. Let bake in the sun for 2-3 weeks.

Photo credit: Greg Dougall




Woodlot NightLife
July 2020
White Furcula Moth
White Furcula moth. Caterpillars eat cherry leaves.
Male Gypsy Moth
A male Gypsy Moth - they will be near any house light in late summer.
Confused Haploa Moth
Confused Haploa moth - wing span 40 mm. Widespread but active at night. Three related species look similar to this.
Female Promethea Moth
Female Promethea moth was the surprise highlight. She lives only for a week and does not eat. Her purpose is to attract a male by releasing pheromone only in late afternoon. Females do not travel so she lived all her life at the woodlot.
Female Promethea Moth
Female Promethea moth ... caterpillars aren't fussy, they eat leaves from just about any deciduous tree species that is in the woodlot. In autumn they attach a cocoon to the stem of a shrub and stay there until early summer.
Cherry Scallop Shell Moth
Cherry Scallop Shell moth (probably). A closely related and identical moth is also found in northern Ontario. Caterpillars feed on willow.
Crocus Geometer Moth
Another uncertain identification. Crocus Geometer and False Crocus Geometer are both possible and they cannot be identified by photos alone. The former feeds on some trees, goldenrod and dogwood. Caterpillars of the latter could be found on basswood, elm, maple, cherry, rose and cranberry.
Northern Bush Katydid
Northern Bush Katydid or a close relative. The most accomplished singer of the bush katydids. The very high pitched song, given only at night, is a series of soft ticks followed by about 5-10 lispy buzzes that are given in quick succession and are usually followed by a series of very loud ticks. The dominant frequency of the buzzes is about 12-15 kHz.
Wavy-lined Emerald Moth
Wavy-lined Emerald. Found around goldenrod and asters. It is a small but beautiful moth, with a wingspan of about 25 mm, and is a nocturnal flier that is attracted to light.
Wolf Spider
Wolf Spider carrying her egg case.

About the photographer...

This collection of photos was taken by Ross Dickson, one of our SPWA members.

He spent 2 evenings in July in the woodlot in order to provide us with this window into the insect nightlife. In most cases, the specimens were captured, photographed and then released.

Our thanks to Ross for sharing these with us.

Elm Spanworm
Elm Spanworm - wing span 40-50 mm. Caterpillar eats elm, maple, birch. Is a serious defoliator of shade and forest trees in the eastern Canada and the United States.




Have you recently visited the Saywer Preservation Woodlot? If so, please let us know about your experiences. A form is provided for that purpose on our Contact page.


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