Family

Sand Cockroaches

Corydiidae

5 species in our catalog · found in 4 parks

KingdomAnimalia (Animals)
PhylumArthropoda (Arthropods)
ClassInsecta (Insects)
OrderBlattodea (Cockroaches and Termites)
FamilyCorydiidae (Sand Cockroaches)

Species in this group

Therea regularis

Daily sighting probability ~20% · Possible

Eucorydia aenea

Daily sighting probability ~10% · With luck

Holocompsa azteca

Daily sighting probability ~10% · With luck

Eremoblatta subdiaphana

Daily sighting probability <5% · Rare

Arenivaga bolliana

Daily sighting probability <5% · Rare

Daily sighting probability by month

Probability-weighted average across the group's species

~10%

Jan

<5%

Feb

<5%

Mar

~10%

Apr

~10%

May

~10%

Jun

<5%

Jul

~10%

Aug

~10%

Sep

~20%

Oct

~10%

Nov

<5%

Dec

When they're spotted

When the group's species are recorded (aggregated)

Where to see Sand Cockroaches

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

Parks Ranked

#	Park	Country	Species	Daily sighting probability
1	Minneriya National Park	🇱🇰 Sri Lanka	1 of 5	~20%
	Therea regularis			~20%
2	Big Bend National Park	🇺🇸 United States	2 of 5	~10%
	Hairy Desert Cockroach			<5%
	Boll’s Sandroach			<5%
3	Taroko National Park	🇹🇼 Taiwan	1 of 5	~10%
	Eucorydia aenea			~10%
4	Monteverde Cloud Forest Reserve	🇨🇷 Costa Rica	1 of 5	~10%
	Holocompsa azteca			~10%

Cities Ranked

#	City	Country	Species	Daily sighting probability
1	San José	🇨🇷 Costa Rica	1 of 5	~10%
	Holocompsa azteca			~10%
2	Guatemala City	🇬🇹 Guatemala	1 of 5	~10%
	Holocompsa azteca			~10%
3	San Antonio	🇺🇸 United States	1 of 5	<5%
	Boll’s Sandroach			<5%
4	Mesa	🇺🇸 United States	1 of 5	<5%
	Boll’s Sandroach			<5%
5	Austin	🇺🇸 United States	1 of 5	<5%
	Boll’s Sandroach			<5%

Sand Cockroaches

Species in this group

Therea regularis

Eucorydia aenea

Holocompsa azteca

Hairy Desert Cockroach

Boll’s Sandroach

Daily sighting probability by month

When they're spotted

Where to see Sand Cockroaches

Parks Ranked

Cities Ranked