Croitana arenaria arenaria Edwards  (Inland Grass-skipper)

Croitana arenaria pilepudla Grund  (Kimba Grass-skipper)

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First instar larva, northern race, head on right

(19608 bytes)(18189 bytes)

First instar, southern race

arenaria_la_1st_shelter_Yal.jpg (20540 bytes)

First instar in process of constructing its first shelter, southern race

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First instar shelter, southern race

(24101 bytes)(17895 bytes)

Second instar, northern race                                               Third instar, southern race

 (23044 bytes)(15765 bytes)

Third instar, northern race Fourth instar, southern race (after 2 months of diapause)

(20919 bytes)

Fourth instar, northern race

(21200 bytes)(19206 bytes)

Northern race                                                                      Southern race
Final fifth instar

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Fifth instar, southern race

(14792 bytes)(15604 bytes)

Southern race             Northern race
Closeup of final instar head, showing different colour forms

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Final larva shelter of the northern race, on Enteropogon acicularis.
The shelter opening is from beneath

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Late instar larva shelter and eat marks of the northern race, on E. acicularis.
A two leaved shelter is present on lower left side, opening from the bottom

Photography by R. Grund