Family

Adelgids

Adelgidae

2 species in our catalog · found in 6 parks

KingdomAnimalia (Animals)
PhylumArthropoda (Arthropods)
ClassInsecta (Insects)
OrderHemiptera (True Bugs, Hoppers, Aphids, and allies)
FamilyAdelgidae (Adelgids)

Species in this group

Adelges tsugae

Daily sighting probability ~20% · Possible

Adelges cooleyi

Daily sighting probability ~10% · With luck

Daily sighting probability by month

Probability-weighted average across the group's species

~20%

Jan

~20%

Feb

~10%

Mar

~20%

Apr

~10%

May

~10%

Jun

~10%

Jul

<5%

Aug

<5%

Sep

~10%

Oct

~10%

Nov

~10%

Dec

When they're spotted

When the group's species are recorded (aggregated)

Where to see Adelgids

Warmer areas are where this group is recorded most often. Our parks Our cities

Parks Ranked

#	Park	Country	Species	Daily sighting probability
1	Great Smoky Mountains National Park	🇺🇸 United States	1 of 2	~20%
	Hemlock Woolly Adelgid			~20%
2	Shenandoah National Park	🇺🇸 United States	1 of 2	~10%
	Hemlock Woolly Adelgid			~10%
3	Jasper National Park	🇨🇦 Canada	1 of 2	~10%
	Douglas Fir Adelgid			~10%
4	Banff National Park	🇨🇦 Canada	1 of 2	~10%
	Douglas Fir Adelgid			~10%
5	Rocky Mountain National Park	🇺🇸 United States	1 of 2	~10%
	Douglas Fir Adelgid			~10%
6	Great Bear Rainforest	🇨🇦 Canada	1 of 2	<5%
	Hemlock Woolly Adelgid			<5%

Cities Ranked

#	City	Country	Species	Daily sighting probability
1	Boston	🇺🇸 United States	1 of 2	~10%
	Hemlock Woolly Adelgid			~10%
2	Seattle	🇺🇸 United States	2 of 2	~10%
	Hemlock Woolly Adelgid			<5%
	Douglas Fir Adelgid			<5%
3	Philadelphia	🇺🇸 United States	1 of 2	<5%
	Hemlock Woolly Adelgid			<5%
4	Calgary	🇨🇦 Canada	1 of 2	<5%
	Douglas Fir Adelgid			<5%
5	Washington	🇺🇸 United States	1 of 2	<5%
	Hemlock Woolly Adelgid			<5%
6	Vancouver	🇨🇦 Canada	1 of 2	<5%
	Hemlock Woolly Adelgid			<5%
7	Edmonton	🇨🇦 Canada	1 of 2	<5%
	Douglas Fir Adelgid			<5%
8	New York City	🇺🇸 United States	1 of 2	<5%
	Hemlock Woolly Adelgid			<5%

Adelgids

Species in this group

Hemlock Woolly Adelgid

Douglas Fir Adelgid

Daily sighting probability by month

When they're spotted

Where to see Adelgids

Parks Ranked

Cities Ranked