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標題: [Geometridae] 尺蛾科 Geometridae, Ennominae - Plesiomorpha flaviceps金頭紫沙尺蛾
senyung
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發表於 2007-4-28 22:21  資料 短消息 
尺蛾科 Geometridae, Ennominae - Plesiomorpha flaviceps金頭紫沙尺蛾



[ 本帖最後由 senyung 於 2007-5-19 11:08 編輯 ]

[ Last edited by  hkmoths at 2007-5-21 23:00 ]

[ 本帖最後由 senyung 於 2007-5-21 23:12 編輯 ]




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發表於 2007-4-28 23:34  資料 文集 短消息 
Probably one of the species in the nolid tribe Careini (Noctuoidea, Nolidae, Chloephorinae, Careini).

There are four species so far recorded in Hong Kong from this tribe, and it isn't two of them (Carea varipes, Carea angulata), so that leaves Calymera confinis and Maurilia iconica.

I don't suppose you are going to rear it through to the adult?

cheers,

Roger.




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發表於 2007-4-29 20:01  資料 短消息 
I am no expert, like you, on this, I just leave it there as it used to be




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發表於 2007-4-29 20:51  資料 文集 短消息 


QUOTE:
Originally posted by senyung at 2007-4-29 20:01
I am no expert, like you, on this, I just leave it there as it used to be

One doesn't have to be an "expert" to rear moth or butterfly larvae - just like human babies the main ingredients are a large dose of t.l.c. and plenty of time.

Investigating the ecology and life cycle of species is a much more laborious job than simply identifying a species (most of the time), but is a vital stage in understanding what needs (if anything) to be done to conserve each species. Without this knowledge, conservation is very difficult - hoping that the real habitat that the larva depends on will be conserved by conserving the places the adult has been recorded may not work, as these two habitat requirements may be different. Without knowing both requirements any conservation programme is not going to be a success. The vast majority of life histories of moths in the UK were unravelled by dedicated enthusiasts, not professional entomologists. Why should this be any different in HK, where there are only a couple of people who are employed as entomologists - how can over 2,000 species life histories be worked out by so few? Just not possible in one lifetime.

So get out there and rear the thing through if you want me to be able to identify the adult that subsequently emerges! Just taking photographs merely records a snapshot of existance in time. It is not a measure that will conserve a species on its own - action needs to be taken to fit the missing pieces of the puzzle that allows successful conservation action to take place. Without action, photographs serve only to remind us of what once existed.

Time to get off my soapbox!

cheers,

Roger.

[ Last edited by  hkmoths at 2007-4-29 20:52 ]




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發表於 2007-4-29 22:46  資料 短消息 
I actually thought about rearing this one, but I hesitated on what it was actually eating, it lied on Tylophora ovata but I found no signs of eating along the leaves, so if I just picked some leaves back without making sure that it actually ate Tylophora sp., I would make a mistake just like I had done before. I like to rear Common Mormon( Papilio polytes) because I am now 100% sure of identifing it as an egg, a larvae and so on, I will release it when it becomes a butterfly, but I can hardly do so for many other species. I am so afraid that my curiosity may kill a cat so I leave it there. Maybe I will try it if I see it again resting upon Tylophora ovata.
Thank you for your encouragement( I rear insects and spiders not for entertainment but really for conservation)
senyung




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發表於 2007-5-1 16:59  資料 短消息 


QUOTE:
原帖由 hkmoths 於 2007-4-29 20:51 發表
So get out there and rear the thing through if you want me to be able to identify the adult that subsequently emerges!

So, it is done, and I need to clarify the plant actually is Ilex pubescens(毛冬青), Tylophora sp.is growing around it only, the previous caterpillar is not found, I am deliberately rearing it 'cause there are several spider webs already built up along the shrubs, I am afraid the previous one is already eaten, so I rear the baby one, by the method I watched you did on 22April, you recall me? I am the one, senyung, you told me to pierce a bottle, don't make the hole too large to prevent viral attack,...


[ 本帖最後由 senyung 於 2007-5-1 17:03 編輯 ]

本帖最近評分記錄
hellwalker   2007-11-7 23:07  種子  +3   精彩圖片!
hkmoths   2007-5-1 22:02  種子  +10   bravo!




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發表於 2007-5-1 18:01  資料 主頁 短消息 
Way to go!!!    Don't forget to photograph at each instar change, measuring & recording the length.  Also the pupa when it forms, not to mention the moth.  

regards,
David
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發表於 2007-5-1 22:02  資料 文集 短消息 


QUOTE:
Originally posted by senyung at 2007-5-1 16:59

So, it is done, and I need to clarify the plant actually is Ilex pubescens(毛冬青), Tylophora sp.is growing around it only, the previous caterpillar is not found, I am deliberately rearing it 'cause  ...

Best of luck. Often the hardest part is finding enough food!

cheers,

Roger.




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發表於 2007-5-2 23:07  資料 短消息 


QUOTE:
原帖由 hkmoths 於 2007-5-1 22:02 發表


Best of luck. Often the hardest part is finding enough food!

cheers,

Roger.

Food is "NOT" a problem if I can confirm its food because I can access the Ilex pubscens very easily by just 15minutes walk from my home, btw, the trail from TKO to Clear Water Bay Road has many Ilex sp.
I am now quite confident that this species actually eats Ilex pubscens. Now, it is 13mm long
cheers, senyung


[ 本帖最後由 senyung 於 2007-5-2 23:09 編輯 ]




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發表於 2007-5-3 21:18  資料 短消息 
today I can confirm it, I found another one in another Ilex pubscens, and it is even smaller




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發表於 2007-5-4 22:10  資料 短消息 
16mm




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發表於 2007-5-5 00:16  資料 主頁 文集 短消息  ICQ 狀態 Yahoo!
Geometridae, Ennominae - Plesiomorpha flaviceps

2007/05/01 TPK



[ Last edited by  hkmoths at 2007-5-5 10:15 ]
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發表於 2007-5-5 10:15  資料 文集 短消息 
Plesiomorpha flaviceps

Geometridae, Ennominae

cheers,

Roger.




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發表於 2007-5-6 23:35  資料 短消息 
yet I found another one feeding on Ilex aspella(梅葉冬青)




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發表於 2007-5-6 23:37  資料 短消息 
but mine is still eating Ilex pubscens

20mm




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發表於 2007-5-7 15:13  資料 文集 短消息 
Side views of both species show they are Geometridae - both larvae have only one pair of prolegs (abdominal legs) - not Nolids as I posted at the start of this thread.

cheers,

Roger.




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發表於 2007-5-8 23:43  資料 短消息 
one photo from dissecting mic

one photo from macro

I discovered that this species eat both I. pubscens and I.aspella, later on I will also try I. rotunda




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發表於 2007-5-10 22:22  資料 短消息 
oh! no chance for this one to try I. rotunda, it forms a cocoon today.




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發表於 2007-5-19 11:14  資料 短消息 
In the midnight (i.e. 12:30am to 6:00am) of 19 May, the moth came out
the dorsal view

and the ventral view


[ 本帖最後由 senyung 於 2007-5-28 20:35 編輯 ]

本帖最近評分記錄
hellwalker   2007-11-7 23:07  種子  +3   精彩圖片!
SimFish   2007-5-19 20:23  種子  +5   資料詳盡!




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發表於 2007-5-19 11:15  資料 短消息 
and this afternoon, I will return it to Ilex pubscens in TKO, another ideas should be given before 2pm




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