Lycidae

Laporte, 1838

net-winged beetles

Subfamily Guides

4

is a of beetles commonly known as . are typically elongated, 10–15 mm in length, with brick-red or black-and-orange coloration and long, serrated . The family is notable for its distinctive reticulated wing venation, chemical defenses against , and participation in extensive Müllerian mimicry complexes with other beetles and even . Several lineages exhibit , with females retaining larval into adulthood.

Lopheros by (c) Katja Schulz, some rights reserved (CC BY). Used under a CC-BY license.Calopteron reticulatum by (c) Even Dankowicz, some rights reserved (CC BY), uploaded by Even Dankowicz. Used under a CC-BY license.Leptoceletes by no rights reserved, uploaded by Mirko Schoenitz. Used under a CC0 license.

Pronunciation

How to pronounce Lycidae: /ˈlaɪsɪdiː/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

Distinguished from other soft-bodied beetles by the reticulated (net-like) wing venation pattern. Cantharidae (soldier beetles) lack this venation and have parallel-sided bodies. Meloidae (blister beetles) have more cylindrical bodies and different antennal structure. often participate in mimicry complexes; careful examination of wing venation and antennal structure required for definitive identification. Some distinguished by raising and lowering in a distinctive display .

Images

Habitat

Woodland ; commonly found on flowers and stems. often associated with flowering vegetation where they feed on nectar.

Distribution

distribution across all major biogeographic regions: Nearctic, Palearctic, Neotropical, Afrotropical, Oriental, and Australian ecoregions.

Seasonality

most commonly observed during warmer months; some have short adult life spans. Activity patterns vary by region and species.

Diet

: primarily nectarivores, feeding on nectar and honeydew secreted by aphids and related insects. Some adults have short life spans and may not feed at all.

Life Cycle

Larvae primarily microphagous, feeding on myxomycetes (slime molds) or metabolic products of fungi. Some larvae have been observed preying on soft-bodied dipteran larvae or small molluscs. Several lineages exhibit , with females retaining larval into adulthood.

Behavior

may perform a distinctive display involving raising and lowering of . Adults frequently found on flowers. Some form part of Müllerian mimicry complexes with co-occurring toxic beetles and , reinforcing avoidance through shared aposematic coloration.

Ecological Role

function as while feeding on nectar. Larvae contribute to decomposition processes through myxomycete and fungal feeding. Chemical defenses and participation in mimicry complexes influence -prey dynamics in .

Human Relevance

Occasionally encountered by collectors due to bright coloration. Some serve as models in Müllerian mimicry complexes, making them important for understanding evolutionary of warning signals. Not considered agricultural pests.

Similar Taxa

  • CantharidaeSoldier beetles share similar soft bodies and often similar black-and-orange coloration in mimicry complexes, but lack the distinctive reticulated wing venation of and have more parallel-sided body shape
  • MeloidaeBlister beetles share similar elongate form and participate in mimicry complexes with overlapping color patterns, but have more cylindrical bodies, different antennal structure, and lack net-like wing venation
  • CerambycidaeSome longhorn beetles (e.g., Crossidius, Batyle) are Batesian mimics of , but can be distinguished by extremely long (often longer than body) and lack of reticulated

Misconceptions

Older literature reported larvae to be predatory; current evidence indicates the most common feeding mode is microphagy on myxomycetes or fungal products, with on soft-bodied prey being secondary or opportunistic rather than primary.

Tags

Sources and further reading