CreatureData

Forest cobweb weaver

Phylloneta impressa (L. Koch, 1881)

Status not recordedspiders

The forest cobweb weaver (Phylloneta impressa) is a species in the family Theridiidae, order Araneae. Recorded adults reach 5.5 mm in length. Source checklists list it for 2 countries: China and Romania.

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Quick facts about the forest cobweb weaver

Weight
Not recorded
Length
2.5 mm – 5.5 mmsrc for Length
Lifespan
Not recorded
Diet
Invertivoresrc for Diet
Main food
Not recorded
Habitat
forest, grassland, wetlandsrc for Habitat
Young per litter or clutch
Not recorded
Active
By day (diurnal)src for Active
Conservation status
Not recorded
Countries on record
2 countriessrc for Countries on record

How big is the forest cobweb weaver?

FOREST COBWEB WEAVER · LENGTH 5.5 MMADULT HUMAN · HEIGHT 1.7 M
At 5.5 mm, the recorded maximum length of the forest cobweb weaver is about 0.3% of the height of an adult human (1.7 m, a fixed reference used for scale).

What does the forest cobweb weaver eat, and what eats it?

Species recorded in published studies and collections.

Recorded prey of the forest cobweb weaver

The 24 best supported of 79 on record

  1. Black-shouldered shieldbug Carpocoris purpureipennis2 sources
  2. Steppe grasshopper Chorthippus dorsatus2 sources
  3. Chorthippus apricarius2 sources
  4. Lucerne bug Adelphocoris lineolatus2 sources
  5. Adelphocoris quadripunctatus2 sources
  6. Adelphocoris seticornis2 sources
  7. Agallia brachyptera2 sources
  8. Anaceratagallia ribauti2 sources
  9. Anoscopus flavostriatus2 sources
  10. Aphrodes bicincta2 sources
  11. Aphrodes makarovi2 sources
  12. Arthaldeus pascuellus2 sources
Show 12 more
  1. Silver leafhopper Athysanus argentarius2 sources
  2. Berytinus clavipes2 sources
  3. Mullein bug Campylomma verbasci2 sources
  4. Chartoscirta cincta2 sources
  5. Chlamydatus pulicarius2 sources
  6. Chlamydatus saltitans2 sources
  7. Chlorita paolii2 sources
  8. Lesser marsh grasshopper Chorthippus albomarginatus2 sources
  9. Chorthippus biguttulus2 sources
  10. Green leafhopper Cicadella viridis2 sources
  11. Cicadula persimilis2 sources
  12. Clubiona stagnatilis2 sources

Recorded predators of the forest cobweb weaver

9 on record

  1. One-eyed centipede Lamyctes emarginatus2 sources
  2. Alopecosa cuneata2 sources
  3. Leistus ferrugineus2 sources
  4. Pardosa palustris2 sources
  5. Calathus melanocephalus2 sources
  6. Common reed bunting Emberiza schoeniclus2 sources
  7. Tent spider Pisaura mirabilis2 sources
  8. Pterostichus strenuus2 sources
  9. Trochosa ruricola2 sources

Each pair is recorded by at least two independent datasets. A record shows the animal was seen or found to have eaten the other, including scavenged carcasses and young animals; it does not say how often. Compiled by Global Biotic Interactions (CC0 1.0).

References for these records

Where does the forest cobweb weaver live?

Countries where Catalogue of Life checklists list the species. Many checklists carry no country data, so the list is often incomplete. It is not a range map.

The forest cobweb weaver is listed for 2 countries.

RomaniaChina
  • Listed
  • Not listed
small islands are not drawn at this scale

The same countries as a list

  1. China
  2. Romania

Why a country list is not a range map

Listed by: WSC (scope: global), through the Catalogue of Life.

Is the forest cobweb weaver endangered?

No conservation assessment is recorded for this species in our sources. That is not the same as being safe: it has not been matched to an assessment.

How is the forest cobweb weaver classified?

  1. kingdomAnimalia
  2. phylumArthropoda
  3. classArachnida
  4. orderAraneae
  5. familyTheridiidae
  6. genusPhylloneta
  7. SpeciesPhylloneta impressa (L. Koch, 1881)

Synonyms Allotheridion impressum, Phylloneta botezati, Phylloneta cornuta, Phylloneta frigicola, Phylloneta impressa intermedia, Phylloneta qingzangensis, Steatoda sisyphia, Theridion botezati, Theridion cornutum, Theridion frigicola, Theridion impressum, Theridion impressum intermedium, Theridion qingzangense, Theridion sisyphum

Other names and names in other languages (12)
  • snovačka pečujícíCzech
  • Lys teltspinderDanish
  • Braunweiße KugelspinneGerman
  • Gewöhnliche HaubennetzspinneGerman
  • viirupallokkiFinnish
  • Théridion impriméFrench
  • Tamsiakraštis kilpininkasLithuanian
  • krattkamfotNorwegian Bokmål
  • Grote wigwamspinDutch
  • Теридион клейменныйRussian
  • snovačka starostliváSlovak
  • strutklotspindelSwedish

Catalogue of LifeiNaturalistITISTAXREFWikidataWikidata

Relatives of the forest cobweb weaver

Other species in the same genus Phylloneta.

CompareForest cobweb weaver vs Mothercare spiderForest cobweb weaver vs Phylloneta pictipes

Common questions

Answered only where our data holds the answer.

How big is the forest cobweb weaver?

An adult forest cobweb weaver measures 2.5 mm – 5.5 mm long, according to values recorded on Wikidata.

Where does the forest cobweb weaver live?

Catalogue of Life checklists list the forest cobweb weaver for 2 countries: China and Romania. Checklist coverage is uneven, so the true range may be wider.

What kind of animal is the forest cobweb weaver?

The forest cobweb weaver (Phylloneta impressa) belongs to the family Theridiidae in the order Araneae.

What eats the forest cobweb weaver?

Animals recorded preying on the forest cobweb weaver include one-eyed centipede, alopecosa cuneata, leistus ferrugineus and pardosa palustris. The records are compiled by Global Biotic Interactions from published studies; each pair is reported by at least two datasets.

Which animals does the forest cobweb weaver eat?

Animals recorded as prey of the forest cobweb weaver include black-shouldered shieldbug, steppe grasshopper, chorthippus apricarius and lucerne bug. The records are compiled by Global Biotic Interactions from published studies; each pair is reported by at least two datasets.

Sources and how to cite this page

Data as of 2026-11-14. How this page is put together.

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APA

CreatureData. (2026). Forest cobweb weaver (Phylloneta impressa). Retrieved from https://creaturedata.com/animals/forest-cobweb-weaver

MLA

“Forest cobweb weaver (Phylloneta impressa).” CreatureData, 2026, https://creaturedata.com/animals/forest-cobweb-weaver.

BibTeX
@misc{forest_cobweb_weaver_2026,
  title = {Forest cobweb weaver (Phylloneta impressa)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/forest-cobweb-weaver},
  note = {Data as of 2026-11-14}
}