Sericoda

Kirby, 1837

Sericoda is a of harpaline to the Holarctic region, with apparent North origin. These are , meaning they are strongly attracted to burned areas following forest fires. They are generally smaller than related genera such as Agonum. Two , Sericoda quadripunctata and S. bembidioides, have been extensively studied in forests of Alberta, Canada, where they serve as for phoretic of the genus Antennoseius.

Sericoda by (c) Jared Shorma, some rights reserved (CC BY), uploaded by Jared Shorma. Used under a CC-BY license.The natural history of Washington territory, with much relating to Minnesota, Nebraska, Kansas, Oregon, and California, between the thirty-sixth and forty-ninth parallels of latitude, being those (14574800797) by Internet Archive Book Images. Used under a No restrictions license.Sericoda quadripunctata (Degeer, 1774) (5057302630) by Udo Schmidt from Deutschland. Used under a CC BY-SA 2.0 license.

Pronunciation

How to pronounce Sericoda: /ˌsɛrɪˈkoʊdə/

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Identification

Generally smaller than related Agonum, with which they share similar habits. Specific identification features at the genus level are not documented in available sources.

Images

Habitat

Recently burned forests and fire-disturbed , particularly in regions. abundance is positively associated with fire severity and highest in the first post-fire year, declining substantially by the third year.

Distribution

Holarctic region, with apparent origin in North America. Documented in Alberta, Canada; Denmark; Norway; Sweden; and Vermont, USA.

Seasonality

Most abundant during the summer immediately following forest fires; numbers decrease in subsequent years.

Host Associations

  • Antennoseius perseus - phoretic living under described from Sericoda quadripunctata and S. bembidioides in Alberta, Canada
  • Antennoseius pyrophilus - phoretic living under described from Sericoda quadripunctata and S. bembidioides in Alberta, Canada

Behavior

: strongly attracted to burned areas after forest fires. Serves as for phoretic that live under the . show differential responses to combined disturbances: Sericoda quadripunctata increases in abundance with wildfire plus forest harvesting, while S. bembidioides decreases.

Ecological Role

Bioindicator for fire disturbance and post-fire in . Potential role in early post-fire .

Human Relevance

Subject of ecological research regarding forest fire management and salvage logging practices. Presence and abundance patterns inform understanding of post-fire and effects of combined natural and anthropogenic disturbances.

Similar Taxa

  • AgonumRelated with similar habits; Sericoda are generally smaller
  • ElliptoleusCentral identified as closest living relative, suggesting phylogenetic proximity

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Sources and further reading