California Bordered Plant Bug

California Bordered Plant Bug

Largus californicus

Daily sighting probability ~10% · With luck
at Sequoia and Kings Canyon National Parks

In 3 days ~20% in a week ~40%

6 Verified sightings at Sequoia and Kings Canyon National Parks From 2019 to 2026
119 In all 5 parks
December Best month
☀️ Diurnal When it's spotted

About the California Bordered Plant Bug

Largus californicus, also known as the California bordered plant bug, is a species of bordered plant bug in the family Largidae. It is found in western North America, as well as parts of Central America. They measure around 2.5 cm (0.98 in) in length. Adults have a black exoskeleton with orange edges on the thorax and abdomen. Nymphs are metallic blue, later with a red spot at the base of the abdomen. They are indistinguishable in appearance from Largus cinctus. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Joshua Tree National Park 🇺🇸 United States
~20%
2 Channel Islands National Park 🇺🇸 United States
~20%
3 Sequoia and Kings Canyon National Parks 🇺🇸 United States
~10%
4 Yosemite National Park 🇺🇸 United States
~10%
5 Saguaro National Park 🇺🇸 United States
<5%

Cities Where Found

# City Country Daily sighting probability
1 Las Vegas 🇺🇸 United States
<5%
2 Sacramento 🇺🇸 United States
<5%
3 Mesa 🇺🇸 United States
<5%
4 Guadalajara 🇲🇽 México
<5%
5 Los Angeles 🇺🇸 United States
<5%
6 Phoenix 🇺🇸 United States
<5%
7 San Francisco 🇺🇸 United States
<5%
8 San Diego 🇺🇸 United States
<5%
9 Mexico City 🇲🇽 México
<5%
10 Portland 🇺🇸 United States
<5%

Closest Relatives at Sequoia and Kings Canyon National Parks

North American Common Water Strider

North American Common Water Strider

☀️ Diurnal Insect

Aquarius remigis

Daily sighting probability ~10% · With luck
Manzanita Leafgall Aphid

Manzanita Leafgall Aphid

☀️ Diurnal Insect

Tamalia coweni

Daily sighting probability ~10% · With luck
Hedge Nettle Stink Bug

Hedge Nettle Stink Bug

☀️ Diurnal Insect

Cosmopepla conspicillaris

Daily sighting probability ~10% · With luck
Small Milkweed Bug

Small Milkweed Bug

☀️ Diurnal Insect

Lygaeus kalmii

Daily sighting probability ~10% · With luck
Mediterranean Seed Bug

Mediterranean Seed Bug

☀️ Diurnal Insect

Xanthochilus saturnius

Daily sighting probability ~10% · With luck
Large Milkweed Bug

Large Milkweed Bug

☀️ Diurnal Insect

Oncopeltus fasciatus

Daily sighting probability ~10% · With luck
White-Crossed Seed Bug

White-Crossed Seed Bug

☀️ Diurnal Insect

Neacoryphus bicrucis

Daily sighting probability ~10% · With luck
Western Boxelder Bug

Western Boxelder Bug

☀️ Diurnal Insect

Boisea rubrolineata

Daily sighting probability ~10% · With luck
Pagaronia furcata
Endemic

Pagaronia furcata

☀️🌙 Day & Night Insect

Pagaronia furcata

Daily sighting probability ~10% · With luck
Convergent Lady Beetle

Convergent Lady Beetle

☀️ Diurnal Insect

Hippodamia convergens

Daily sighting probability ~40% · Likely
Yellow-Faced Bumble Bee

Yellow-Faced Bumble Bee

☀️ Diurnal Insect

Bombus vosnesenskii

Daily sighting probability ~40% · Likely
White-Spotted Sawyer

White-Spotted Sawyer

☀️ Diurnal Insect

Monochamus scutellatus

Daily sighting probability ~40% · Likely

Before you go

What are the chances of seeing a California Bordered Plant Bug in Sequoia and Kings Canyon National Parks?

With luck

About 10% of wildlife watchers report a California Bordered Plant Bug sighting in Sequoia and Kings Canyon National Parks on a given day, based on 6 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 114th most-seen of the 161 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.

When is the best time to see a California Bordered Plant Bug in Sequoia and Kings Canyon National Parks?

December

In that month about 30% of wildlife watchers report a California Bordered Plant Bug in Sequoia and Kings Canyon National Parks on a given day, against under 5% in January–March, June and October–November, the lowest months. That is one of Sequoia and Kings Canyon National Parks's wettest months, with about 120 mm of rain against 10 mm in September.

What time of day is best to see a California Bordered Plant Bug?

Between noon and 3 pm

Across all the parks we cover, that three-hour window holds the most California Bordered Plant Bug sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Is Sequoia and Kings Canyon National Parks the best place to see a California Bordered Plant Bug?

3rd of 5

Of the 5 parks where we can rate California Bordered Plant Bug sightings, Sequoia and Kings Canyon National Parks ranks 3rd at about 10%. The best odds are in Joshua Tree National Park (United States, about 20%) and Channel Islands National Park (United States, about 20%).

Which relatives of the California Bordered Plant Bug live in Sequoia and Kings Canyon National Parks?

Same order: Hemiptera

The closest relatives of the California Bordered Plant Bug that you can see in Sequoia and Kings Canyon National Parks (order Hemiptera, True Bugs, Hoppers, Aphids, and allies) are North American Common Water Strider (about 10%), Manzanita Leafgall Aphid (about 10%) and Hedge Nettle Stink Bug (about 10%), with each one's daily chance of a sighting.

Where does the California Bordered Plant Bug sighting chance come from?

GBIF citizen-science records

It is estimated from how often the California Bordered Plant Bug is recorded against all the insects logged in Sequoia and Kings Canyon National Parks (6 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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