Main: (Geometridae / Larentiinae)
70.133 [B&F: 1803] Small Rivulet (Perizoma alchemillata) (Linnaeus, 1758)

 

Notes: Common in open woodland, woodland rides, hedgerows, chalk downland, gardens and waste ground throughout much of the British Isles. In Hampshire and on the Isle of Wight generally distributed and usually rather more common than P. affinitata. Wingspan 22-24 mm. The most likely confusion species is Rivulet P. affinitata, which see for differences. Larva feeds on Common Hemp-nettle and Hedge Woundwort, over-wintering as a pupa.

Flightime guide
JFM AMJ JAS OND

Records Received By Year

% of total records
Max records: 185
90 91 92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13

Percentage of Total Records

Total records
Max Percentage: 0.24008413
90 91 92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13

Phenology - Adult Records

Max records: 413
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Distribution Map

Historical distribution at tetrad resolution
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Record Density

As above but the larger the symbol, the greater the number of records
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