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  • Roger Grund

South Australian
Butterflies & Moths

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Gallery

Catalog Inland/Kimba Grass-skipper Gallery

Adults

Northern race Croitana arenaria arenaria

arenaria_ad_m_north.jpg (24.3 KB)

Male from Indulkana

Southern race Croitana arenaria pilepudla

arenaria_ad_m.jpg (29.7 KB)

Male from Kimba

arenaria_ad_f_south.jpg (27.4 KB)

Female from Kimba

arenaria_ad_m2.jpg (53.3 KB)

Male from Kimba

Carenaria_ad_m_FNth_Hunt_2.jpg (213 KB)

Male from Yalata

Food Host

arenaria_Aplatychaeta_base.jpg (85.4 KB)

Tall, pink flowered, multi-stemmed
and multi-branched spear-grass
Austrostipa platychaeta,
larva foodplant for the southern race.

The grass is about a metre high.

arenaria_Aplatychaeta_head.jpg (81.1 KB)

Flower head of
Austrostipa platychaeta

arenaria_Aacrociliata_base.jpg (82.2 KB)

Multi-stemmed leaf base of
Austrostipa acrociliata

arenaria_Aacrociliata_head.jpg (53.0 KB)

Flower head of
Austrostipa acrociliata

arenaria_Aelegantissima.jpg (73.6 KB)

Multi-stemmed and multi-branched Austrostipa elegantissima
with large white spidery flower plumes

Eggs

arenaria_eg_south.jpg (21.0 KB)

Eggs of the southern race, laid on alternate days on the leaf upperside within the leaf axil of Austrostipa platychaeta

arenaria_eg_Bot.jpg (19.9 KB)
arenaria_eg2_Bot.jpg (16.7 KB)

Egg of the southern race

arenaria_eg_north.jpg (13.8 KB)
arenaria_eg2_north.jpg (10.5 KB)

Egg of the northern race

arenaria_eg_Eat.jpg (21.5 KB)

Closeup of northern race egg near hatching showing the finer ridge details

Larvae

Northern race Croitana arenaria arenaria

Southern race Croitana arenaria arenaria

arenaria_la_1st_Tarc.jpg (14.9 KB)

First instar larva, head on right

arenaria_la_1st_Bot.jpg (19.1 KB)

First instar larva, head on right

arenaria_la2_1st_Bot.jpg (17.7 KB)

First instar larva, head on right

arenaria_la_1st_shelter_Yal.jpg (20.0 KB)

First instar in process of constructing its first shelter

arenaria_la_2nd_Alb.jpg (23.5 KB)

Second instar, head on left

arenaria_la_1st_shelter_Bot.jpg (11.2 KB)

First instar shelter

arenaria_la2_3rd_Ind.jpg (37.2 KB)

Third instar, head on left

arenaria_la_3rd_Bot.jpg (17.4 KB)

Third instar, head on left

arenaria_la_4th_Mar.jpg (20.4 KB)

Fourth instar, head on right

arenaria_la_4thdiap_Bot.jpg (29.0 KB)

Fourth instar, head on left (after 2 months of diapause)

arenaria_la_5th_Ind.jpg (20.7 KB)

Final fifth instar, head on left

arenaria_la_5th_Bot.jpg (18.7 KB)

Final fifth instar, head on left

arenaria_la_5th_Ind_head.jpg (15.2 KB)

Northern race

arenaria_la_5th_Bot_head.jpg (14.4 KB)

Southern race

Closeup of final instar head, showing different colour forms

arenaria_la2_5th_Bot.jpg (24.3 KB)

Final fifth instar, head on right

arenaria_shelter_Poot.jpg (20.7 KB)

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

arenaria_la_5th_shelter_Mar.jpg (38.4 KB)

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.

Pupae

arenaria_pu_FNth.jpg (43.8 KB)

Photography by L. Hunt

arenaria_pu.jpg (35.2 KB)

Photography by L. Hunt

Pupa in opened shelter, northern race

Pupa near skipper emergence

arenaria_pu_operc_FNth.jpg (29.0 KB)

Front view of operculum (anterior end of pupa). Ventral side is at bottom of photo.
The bottom part of this specimen is slightly deformed and still has part of the larva head capsule attached.

All photography by R. Grund unless stated otherwise.