Alpine Shieldback

Alpine Shieldback

Acrodectes philopagus

Endemic
Daily sighting probability ~10% · With luck
at Yosemite National Park

In 3 days ~10% in a week ~30%

19 Verified sightings at Yosemite National Park From 2019 to 2026
27 In all 2 parks
October Best month
☀️ Diurnal When it's spotted

About the Alpine Shieldback

Acrodectes is a genus of shield-backed katydids in the family Tettigoniidae. There is one described species in Acrodectes, A. philopagus. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Sequoia and Kings Canyon National Parks 🇺🇸 United States
~10%
2 Yosemite National Park 🇺🇸 United States
~10%

Before you go

What are the chances of seeing an Alpine Shieldback in Yosemite National Park?

With luck

About 10% of wildlife watchers report an Alpine Shieldback sighting in Yosemite National Park on a given day, based on 19 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 148th most-seen of the 227 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.

When is the best time to see an Alpine Shieldback in Yosemite National Park?

October

In that month about 20% of wildlife watchers report an Alpine Shieldback in Yosemite National Park on a given day, against under 5% in November to August, the lowest months. That is one of Yosemite National Park's driest months, with about 45 mm of rain against 220 mm in January.

What time of day is best to see an Alpine Shieldback?

Between 11 am and 2 pm

Across all the parks we cover, that three-hour window holds the most Alpine Shieldback sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.

Is Yosemite National Park the best place to see an Alpine Shieldback?

Among the best

Of the 2 parks where we can rate Alpine Shieldback sightings, Yosemite National Park ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Sequoia and Kings Canyon National Parks (United States, about 10%).

Where does the Alpine Shieldback sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Alpine Shieldback is recorded against all the insects logged in Yosemite National Park (19 verified sightings from 2019 to 2026), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.

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