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Thalassodes pilaria

Big Emerald

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General Information

COMMON NAMES: Big Emerald

GLOBAL DISTRIBUTION: e.Indonesia (Sulawesi) / Australia - Vanuatu - Rarotonga - Pitcairn

COOK ISLANDS STATUS: Introduced - Recent, Naturalised; S.Group; ?; Land, mountains

SIGNIFICANCE LIST: ; Pest

KEY FEATURES: Medium moth (14mmTL) bluish green with fine white lines on wings.

Cook Islands Distribution

View Distribution Map

Southern Group: Present Makatea:
RR	MG	AT	MK	MT	AK	PL	TK	MN
P

Northern Group:
TN	MH	RK	PK	NS	SW

Key to Symbols

blank	no data
-	absent	L	localised
X	extinct 'naturally'	W	widespread
XQi	quarantine intercepted	R	recent
XQe	eradicated	?	query preceding category
P	present	T?	taxonomic query
S	seasonal	nn	present, said to have no name
O	occasional	?1	present, name not investigated
++++	very common	?2	presence not verified, no name recorded
+++	common	N/A	absent, name not expected
++	uncommon
+	rare
Cook Islands islands: RR =Rarotonga, MG = Mangaia, AT =‘Ātiu, MK=Ma‘uke, MT=Miti‘āro, AK=Aitutaki, PL=Palmerston, PN=Penrhyn, MN=Manuae, TK=Takūtea, TN=Tongareva (TS=Tongaleva Spoken, TW=Tongareva Written, they say "el" but write "r"), MH=Manihiki, RK=Rakahanga, PK=Pukapuka, NS=Nassau, SW=Suwarrow. After a Polynesian name: ^=orthography query. Countries and other: FIJ=Fiji, WT=Wallis & Futuna, SAM=Samoa, TON=Tonga, NIU=Niue, CK=Cook Islands, CKM=Cook Islands Māori, FP=French Polynesia, AUS=Australs, SOC=Societies, TAH=Tahiti, TUA=Tuamotus, MQS=Marquesas, MNG=Mangareva, PIT=Pitcain group, EAS=Easter Island, HAW=Hawai‘i, NZ=New Zealand, NZM=New Zealand Māori

Scientific Taxonomy

Thalassodes pilaria Guenée
TAXONOMY: ANIMALIA; ARTHROPODA; ATELOCERATA; HEXAPODA; INSECTA; PTERYGOTA; Lepidoptera; GEOMETRIDAE

More Information

IDENTIFICATION: Medium moth (14mmTL) bluish green with fine white lines on wings. Fore wing broad, triangular, leading edge yellowish brown, crossed by 2 distinct white lines and a number of faint transverse marks, also white. Hind wing terminal edge has central spot; fine white lines are continued converging to form a ‘W’ ¾ way along length; few other marks. Underside greenish white. Head, Thorax and Abdomen as wings. Legs and Antennae yellowish brown. Antennae first half feathery, second half threadlike.

GENERAL NOTE: Caterpillar a looper or inchworm (lacking prolegs on abdominal segments 3, 4, 5); polyphagous (feeding on a wide variety of host tree spp; known from Litchi on New Caledonia).

Vouchers & References

Vouchers:
Rarotonga: BESO99, specimen #98, 178, 482, 522, ID J.Dugdale 4/2000.

References:
Special Reference: PM79

Data Update History (information):
zTX, zB02, zM02, zD02

Web Resources

Citation Information

McCormack, Gerald (2007) Cook Islands Biodiversity Database, Version 2007.2. Cook Islands Natural Heritage Trust, Rarotonga. Online at http://cookislands.bishopmuseum.org.
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