MONTANA FIELD GUIDE™

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- Kingdom - Animals - Animalia
  - Phylum - Spiders, Insects, and Crustaceans - Arthropoda
    - Class - Insects - Insecta
      - Order - Net-winged Insects - Neuroptera
        
        Family - Giant Lacewings - Polystoechotidae
        
        Species - Giant Lacewing - Polystoechotes punctatus

Giant Lacewing - Polystoechotes punctatus

Native Species

Global Rank: GNR
State Rank: SU
(see State Rank Reason below)

Agency Status
USFWS:
USFS:
BLM:
FWP SWAP: SGIN

State Rank Reason (see State Rank above)

Species is currently known from montane areas of western and central Montana. However, range, habitat associations, trend, and threats within Montana are poorly described. Within the midwestern United States, it has experienced declines and possible local extirpation. It is unclear what the cause of these declines are and if similar declines have occurred or area occurring in Montana. Given the lack of data the species is currently ranked as SU.

Giant Lacewing (Polystoechotes punctatus) Conservation Status Summary
State Rank: SU
Review Date = 09/10/2026
See the complete Conservation Status Rank Report

How we calculate Conservation Status Ranks

General Description

We do not yet have descriptive information on this species. Please try the buttons above to search for information from other sources.

Species Range

Montana Range Range Descriptions

Summer

Observations in Montana Natural Heritage Program Database

Data Use Terms and Conditions
Map Help and Descriptions

Number of Observations: 4
(Click on the following maps and charts to see full sized version)

Relative Density

Recency

(Observations spanning multiple months or years are excluded from time charts)

Stewardship Responsibility

References

Additional ReferencesLegend: View Online Publication
Do you know of a citation we're missing?
- Dowell, R.V. and N.D. Penny. 2019. Polystoechotes punctata (Fabricius, 1793) (Neuroptera:Ithonidae) in North America: A changing Distribution Over Time. Proceedings of the Entomological Society of Washington 121(3):394-404.
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Conifers

Flowering Plants (Dicots)

Flowering Plants (Monocots)

Citation for data on this website:
Giant Lacewing — Polystoechotes punctatus. MONTANA FIELD GUIDE™. Montana Natural Heritage Program. Retrieved on October 11, 2026, from https://FieldGuide.mt.gov/speciesDetail.aspx?elcode=IINEU08010