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Wednesday, 17 June 2015

Scale tufts

As you can see from the selection below, some moths have tufts of scales that can be quite decorative. Some can also have tufts of scales on their on their abdomen and, particularly in the family NOLIDAE, have scale tufts on their wings.




Family:- NOCTUIDAE
Sub Family:- PLUSIINAE
Genus:- Chrysodeixis
Species:- unknown










Family:- NOCTUIDAE
Sub Family:- PLUSIINAE
Genus:- Othreis ( Eudocima )
Species:- fullonia
It appears to have two currently accepted names for genus.







Family:- NOCTUIDAE
Sub Family:- PLUSIINAE
Genus:- Plusiodonta
Species:- arctipennis







Family:- NOCTUIDAE
Sub Family:- PLUSIINAE
Genus:- Thysanoplusia
Species:- orichalcea













Family:-  NOLIDAE
Sub Family:- NOLINAE
Genus:- Nola
Species:- epicentra

Note the light brown tufts on the wings.









Family:- NOLIDAE
Sub Family:- SARROTHRIPINAE
Genus:- Ochthophora
Species:- sericina

Edit:- July 2018. This moth is now known as
Ochthophora sericina ELIGMINAE NOLIDAE




Wednesday, 10 June 2015

Family ARCTIIDAE






Family:- ARCTIIDAE
Sub Family:- LITHOSIINAE
Genus:- Asura
Species:-  cervicalis (possibly)

The larvae of moths of the family ARCTIIDAE, sub family LITHOSIINAE mostly feed on lichens, though sometimes mosses or algae. Often brightly coloured in combinations that include  black, yellow, orange and red. There are about 200 species described in Australia.











Family:- ARCTIIDAE
Sub Family:- LITHOSIINAE
Genus:- Termessa (possibly)
Species:- Zonophanes (possibly)












Family:- ARCTIIDAE
Sub Family:- LITHOSIINAE
Genus:- Heliosia
Species:- jucunda
















Family:- ARCTIIDAE
Sub Family:- LITHOSIINAE
Genus:- Termessa
Species:- conographa







Family:- ARCTIIDAE
Sub Family:- LITHOSIINAE
Genus:- Termessa
Species:- conographa

Left:- Pale version

Wednesday, 3 June 2015

Family COSMOPTERIGIDAE







 Family:- COSMOPTERIGIDAE
Sub Family:-
Genus:- Pancalia (possibly)
Species:- unknown








Although the above photo is not particularly good, I have included it because it is the only photo I have of this species.
The family Cosmopterigidae mainly feed on Acacia and over the last few years some of our wattles have died and have not yet been replaced. No larval food plant means no moth.
The wingspan of the Cosmopterigidae family is listed as between 6 and 32 mm, generally the ones I see here, are around 6mm body length so a wing span of around 12mm.
As with all members of the Superfamily Gelechioidea, they have sharp, strongly upturned labial palpi. These are the sharp "tusks" just visible over the top of the head.



Family:- COSMOPTERIGIDAE
Sub Family:- COSMOPTERIGINAE
Genus:- Limnaecia
Species:- unknown




Family:- COSMOPTERIGIDAE
Sub Family:- COSMOPTERIGINAE
Genus:- Limnaecia
Species:-  tetraplanetis















Family:- COSMOPTERIGIDAE
Sub Family:- COSMOPTERIGINAE
Genus:- Macrobathra
Species:- bigerella

Wednesday, 27 May 2015

Aging Moths 

Moths age. They often look tattered and torn with damaged wings, legs missing, broken or missing antennae and so on. One of the most difficult from an identification point of view is the loss of scales.
The reduction in markings and colours can make comparison difficult.
It is not uncommon to have an old moth with no scales on its wings, leaving only the underlying membrane.

 Family:- BOMBYCIDAE
Genus:-  Gastridiota
Species:- Gastridiota adoxima

Left:- There are no longer has scales on its wings.





The photos of Gastridiota adoxima BOMBYCIDAE above, and Sceliodes cordalis CRAMBIDAE
below, both show the moths in good condition and after they have lost scales. In the case of Gastridiota adoxima, because it is a fairly rare visitor here, it is probably the same moth and the nearly total loss of scales was a little over a week.
The family BOMBYCIDAE includes the commercial silkworm moths and the larvae feed on native figs (Ficus (Moraceae)).



 Family:- CRAMBIDAE
Sub Family:-  SPILOMELINAE
Genus:- Sceliodes
Species:-  cordalis



Wednesday, 20 May 2015

The Silent Recyclers


There are moth caterpillars that help reduce leaf litter in the forest and in our gardens and they mostly belong the the family Oecophoridae. There is a great need to understand these moths and their place in our ecology. As shown below, caterpillar numbers on the forest floor can be quite highs:-



 “Plowmann 1979: 438 Lepidoptera larvae per m 2 of leaf litter in wet sclerophyll forest;
 I F B Common pers. comm.: 54-252 Lepidoptera larvae in casual leaf litter samples (ca. 130 grams dry weight) at Depot Beach, NSW”






The above quote is from an article at:-
(https://www.facebook.com/permalink.php?story_fbid=789816284362438&id=731843076826426)
If this address doesn’t work, search for “Look Before We Burn,  Dr Marianne Horak”.
The article addresses the topic pretty well.

Those figures, above, of 438 larvae per square metre and the second of 54 to 252 in just 130 grams of leaf litter (dry weight) means that a healthy forest floor is teaming moth larvae. There are of course many other insects on the forest floor as well. 

From “Moths of Australia” (I.F.B. Common 1990). “ The food plants of 330 of the Australian
 species of Oecophoridae, which, (in 1990), had been recorded, 80% depend on the family Myrtaceae, 70% of those feed on Eucalyptus. The sub species Oecophorinae, (over 2000 described species in 1990, probably more now), 94% feed on Myrtaceae, 88% of those feed on Eucalyptus and 56% of the ones that feed on Eucayptus eat dead Eucalyptus leaves
”.
This gives a bit of an idea of the work being carried out by these tiny insects.

 

Both photos are:-
Family:- OECOPHORIDAE
Sub Family:- OECOPHORINAE
Genus:- Eulechria
Species:- platyrrhabda (possibly)






The arrow in the above photo is pointing at the labial palp that is typical of this family. Sharp,  upturned and sometimes well out in front of the head. You can get a larger view by clicking on the photo.

Thursday, 14 May 2015

Family Thyrididae










Family:- THYRIDIDAE
Sub Family:-
Genus:- Addaea
Species:-  subtessellata

Another unusual moth family here. Some times called  "Picture-winged Leaf Moths" because of the pattern on their wings. A small moth, body length about 12mm. (The screen grid is 2mm).


Family Crambidae


Family:- CRAMBIDAE 
Sub Family:- SPILOMELINI  
Genus:- Agathodes
Species:-  ostentalis 










Brightly coloured though they are it is still easy to miss them because the colouring depends to a great extent on the angle the light hits the scales.

Monday, 4 May 2015

Family Anthelidae





Family:- ANTHELIDAE
Sub Family:- ANTHELINAE
Genus:- Anthela
Species:-  unknown


There are many moths in Anthela genus and they vary considerably in colouring and pattern, so are very difficult to separate into individual species.

Family Geometridae

Family:- GEOMETRIDAE
Sub Family:- GEOMETRINAE
Genus:- Comostola
Species:-  leucomerata


This photo was taken in April this year and is still in surprisingly good condition.


Family Geometridae













Family:- GEOMETRIDAE
Sub Family:- ENNOMINAE
Genus:- Cleora
Species:-  unknown


As with the Anthelidae moth above, the Cleora  are many and varied. In most cases it is not possible to get down to species level.