Small White (Pieris rapae)

1st brood male. (Males have only one spot, or no spot, on upper surface of forewing).
1st brood male. (Males have only one spot, or no spot, on upper surface of forewing).
2nd brood female. (Females have two spots on upper surface of forewing)
2nd brood female. (Females have two spots on upper surface of forewing)
2nd brood underside.
2nd brood underside.
A female rejecting the advances of a male.
A female rejecting the advances of a male.
Eggs are laid singly on underside of foodplant.
Eggs are laid singly on underside of foodplant.
Larva has pairs of yellow spots on sides and pale yellow stripe along back.
Larva has pairs of yellow spots on sides and pale yellow stripe along back.
Pupa, normally attached by silken girdle, accidently snapped in this case.
Pupa, normally attached by silken girdle, accidently snapped in this case.
 
Information

NERC Act S41: Not listed
Local status: Common.
Distributed over whole county.
Size: Medium.
Larval foodplant: Crucifers, especially cabbages and nasturtiums, which makes it unpopular with some gardeners, though as larvae are present in smaller numbers than Large White, so not as destructive.
No. of broods: Two. The markings on the second brood are darker than the first.
Flight time(s): First brood flies late April to late June.
Second brood flies mid July to late September.
The second brood is usually more numerous and slightly darker in colour.
Numbers are boosted by migrants from the continent.
Winter: Pupa
Habits: Easily confused with Green-veined White in flight, but undersides are clearly different when settled. (See Green-veined White).
Habitats: May occur anywhere.
Distribution:

Normalized Weekly Abundance


Flight time graph


No. of Adults

Number of adults
No. of 1km Squares

Number of 1km squares
No. of Records

Number of records
No. of Adults per record

Adults per record
Percentage of all adults

Percentage of all adults reported (of all species) in each year
Percentage of all records

Percentage of all butterfly records
No. of adults per 10,000 records

Number of adults in every 10,000 butterfly records (of all species)