The Wing Atlas
Common Straight Swift

Common Straight Swift

Common NameCommon Straight Swift
Scientific NameParnara guttata
FamilyHesperiidae
SubfamilyHesperiinae
Wingspan (mm)35
Wing Patternspotted
Primary Colorsbrown, white
HabitatGrasslands, open fields, rice paddies, agricultural areas
Geographic RangeEast Asia (China, Korea, Japan), Southeast Asia, parts of India
Host Plantsrice, bamboo, sugarcane, various grasses
Flight PeriodMay to October (multiple broods)
Flight Styledarting
Conservation Statusleast-concern
Lifecycle NotesFemales lay eggs singly on host grasses. Larvae feed on leaves, often creating shelters by rolling leaves, and pupate within a silken cocoon in a leaf shelter.
Identification TipsKey features include the overall brown coloration with prominent white spots on both wings, and the characteristic hooked antennae club typical of skippers.

Description

A medium-sized skipper with a robust body and dull brown wings, featuring several distinct white, somewhat rectangular spots on both forewings and hindwings.

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