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Plutella xylostella

Diamondback Moth

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General Information

COMMON NAMES: Diamondback Moth, Diamond-back Moth

GLOBAL DISTRIBUTION: NATIVE ?Europe; EXOTIC EXOTIC circumglobal (wherever there are cabbages)

COOK ISLANDS STATUS: Introduced - Recent, Naturalised; Land, horticultural

SIGNIFICANCE LIST: ; Serious pest

Cook Islands Distribution

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

Northern Group:
TN	MH	RK	PK	NS	SW
			P

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

Pests & Hosts

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Relationship	Hosts
Pest - caterpillar on	Brassica oleracea var. capitata,

Scientific Taxonomy

Plutella xylostella (Linnaeus, 1758)
SYNONYMS: Phalaena xylostella Linnaeus, 1758; Plutella maculipennis (Curtis, 1832)

TAXONOMY: ANIMALIA; ARTHROPODA; ATELOCERATA; HEXAPODA; INSECTA; PTERYGOTA; Lepidoptera; PLUTELLIDAE. COMMENT: Sometimes placed in YPONOMEUTIDAE.

More Information

SIGNIFICANCE NOTES -
NEGATIVE SIGNIFICANCE: Serious pest. Comments: Exclusive on family BRASSICACEAE - including broccoli, Brussels sprouts, cabbage, Chinese cabbage, cauliflower, radish, turnip, and watercress.

Vouchers & References

Vouchers:
Rarotonga: Dugdale List99; Pukapuka: fieldspecimen+photo, 2/2004, at house light, G.McCormack, with tentative ID as Plutella xylostella.

References:
Special Reference: PM79, W&D79

Data Update History (information):
zB02

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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