Urban Bug Species Database

A comprehensive field guide to the insects that call Polish cities home. Each species tells a story of adaptation, survival, and coexistence in urban environments.

8
Total Species
7
Orders
15
Families
6
Cities
Rose Chafer

Rose Chafer

Cetonia aurata

ScarabaeidaeColeoptera

Common

A jewel among beetles, shimmering on Warsaw's summer roses, pollinating city gardens between the rush of buses. These metallic green beetles are often seen feeding on flowers in urban parks.

Size: 14-20mm
Active: May-September
Found in: Warsaw, Krakow, Poznan

Urban Habitats:

Rose gardens
Park flowers
Balcony plants
+1 more

Key Features:

  • Metallic green-bronze coloration
  • Robust, oval body
View Details
House Centipede

House Centipede

Scutigera coleoptrata

ScutigeridaeScutigeromorpha

Common

Swift hunters of the urban underground, these many-legged predators patrol building foundations and basement corners, keeping other pest populations in check.

Size: 25-50mm
Active: Year-round
Found in: Warsaw, Krakow, Wroclaw, Gdansk

Urban Habitats:

Basements
Old buildings
Damp corners
+1 more

Key Features:

  • 15 pairs of long legs
  • Yellowish-gray body
View Details
Common Earwig

Common Earwig

Forficula auricularia

ForficulidaeDermaptera

Very Common

Despite their fearsome pincers, these insects are gentle gardeners of the city, hiding under park benches and helping decompose organic matter in urban green spaces.

Size: 12-15mm
Active: April-October
Found in: Warsaw, Krakow, Lodz, Poznan

Urban Habitats:

Under benches
Building cracks
Garden mulch
+1 more

Key Features:

  • Prominent pincers (cerci)
  • Flattened brown body
View Details
Baltic Shore Fly

Baltic Shore Fly

Fucellia maritima

AnthomyiidaeDiptera

Uncommon

Adapted to the salty coastal environment of Gdansk, these specialized flies thrive where few other insects can survive, feeding on decomposing seaweed and marine debris.

Size: 6-8mm
Active: May-September
Found in: Gdansk, Sopot

Urban Habitats:

Coastal walls
Harbor areas
Salt-resistant zones
+1 more

Key Features:

  • Dark gray coloration
  • Salt-tolerant
View Details
Medieval Stone Beetle

Medieval Stone Beetle

Crypticus quisquilius

TenebrionidaeColeoptera

Rare

Found exclusively in Krakow's ancient architecture, these beetles have adapted to life in centuries-old stone crevices, creating a unique urban ecosystem tied to human history.

Size: 8-12mm
Active: March-November
Found in: Krakow

Urban Habitats:

Medieval walls
Castle stones
Old church foundations
+1 more

Key Features:

  • Dark brown-black coloration
  • Oval, flattened body
View Details
Bridge Spider

Bridge Spider

Larinioides sclopetarius

AraneidaeAraneae

Common

Master architects of Wroclaw's many bridges, these spiders create intricate webs between metal supports, taking advantage of the insects drawn to urban waterways.

Size: 6-14mm
Active: April-October
Found in: Wroclaw, Warsaw

Urban Habitats:

Bridge structures
River railings
Urban waterways
+1 more

Key Features:

  • Mottled brown-gray pattern
  • Orb web builder
View Details
Textile Mill Moth

Textile Mill Moth

Tineola bisselliella

TineidaeLepidoptera

Uncommon

A living reminder of Lodz's textile heritage, these moths have colonized the city's converted industrial spaces, thriving in the unique microclimate of former factories.

Size: 6-8mm wingspan
Active: Year-round
Found in: Lodz

Urban Habitats:

Former textile mills
Converted lofts
Historic industrial buildings
+1 more

Key Features:

  • Golden-buff coloration
  • Small size
View Details
Market Square Bee

Market Square Bee

Osmia bicornis

MegachilidaeHymenoptera

Common

These solitary bees have learned to navigate the bustling atmosphere of Polish market squares, nesting in old building walls while pollinating vendor flowers and nearby gardens.

Size: 8-14mm
Active: March-July
Found in: Poznan, Krakow

Urban Habitats:

Market squares
Historic buildings
Flower vendors
+1 more

Key Features:

  • Reddish-brown abdomen
  • Robust build
View Details

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