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Cnaphalocrocis medinalis

Rice Leafroller

Multimedia & Additional Resources

Type	Description	Download
Image:	Adult	75KB
Image:	specimen - 2004	73KB
Image:	specimen	40KB
Image:	specimen - 1995	48KB

General Information

COMMON NAMES: Rice Leafroller

GLOBAL DISTRIBUTION: Madagascar - Indonesia / Australia - Cooks, ?Hawai‘i

COOK ISLANDS STATUS: Native; S.Group only; Land, lowlands

KEY FEATURES: Small moth (11mmTL) pearly white with bronze reflections and greyish wing margins.

SIMILAR SPECIES: is smaller to 9mmTL (vs 11mm) and has one black or grey spot (vs double spot).

Enlarged Image of 'Cnaphalocrocis medinalis'

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

Cnaphalocrocis medinalis (Guenée, 1854)
TAXONOMY: ANIMALIA; ARTHROPODA; ATELOCERATA; HEXAPODA; INSECTA; PTERYGOTA; Lepidoptera; CRAMBIDAE

More Information

IDENTIFICATION: Small moth (11mmTL) pearly white with bronze reflections and greyish wing margins. Fore wings 3 thin wavy lines, continuing on hind wings; double cell spot. Underside similar to upper surface. Head, Thorax, Abdomen coloured as wings. Legs and Antennae greyish brown.

GENERAL NOTE: Biology: Caterpillar rolls/folds leafblade of various grasses, including rice. Adults often congregate in daytime on undersides of citrus leaves.

Vouchers & References

Vouchers:
Rarotonga: BESO99, specimen #354, 501, 194, ID J.Dugdale 4/2000.

References:
None recorded.

Data Update History (information):
zTX, zB02, zM02, zupM04b, 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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