Cook Islands Biodiversity Database

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Ischiodon scutellaris

Rango ...

Yellow-banded Hoverfly

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General Information

COMMON NAMES: Yellow-banded Hoverfly

COOK ISLANDS STATUS: Native; Land, horticultural

SIGNIFICANCE LIST: ; Agric pest

KEY FEATURES: Slender hoverfly to 8mmBL. HEAD face uniformly pale; large red eyes; Male eyes meet topside; female with gap topside. THORAX black with cream sides and rear-end. WINGS transparent without blotches. ABDOMEN black with broad cream bands w/wo break mid-topside. LEGS pale brown, with some dark sections on hindlegs.

SIMILAR SPECIES: Yellow-banded Hoverfly (Allograpta amphotera) has face with dark median stripe (vs. uniformly pale). Slender Green Hoverfly (Melanostoma n.sp.QQRR) has face uniflormly glossy dark green.

Enlarged Image of 'Ischiodon scutellaris'

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
			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

Scientific Taxonomy

Ischiodon scutellaris
SYNONYMS: Xanthogramma sensu Krauss

TAXONOMY: ANIMALIA; ARTHROPODA; ATELOCERATA; HEXAPODA; INSECTA; PTERYGOTA; Diptera; SYRPHIDAE

More Information

SIGNIFICANCE NOTES -
NEGATIVE SIGNIFICANCE: Agric pest. Comments: Pest of Sweet Orange, Cucumber and Watermelon.

Vouchers & References

Vouchers:
Rarotonga: in Walker & Deitz 1979. Pukapuka: 1 specimen+photo, PK037, 2/2004, on edge of Uta reserve, ID tentative as Allograpta amphotera, although it differs from BPBM specimens and from photo of wing-preening, rear of abdomen of PK specimen is cream with very faint darker bands.

References:
Special Reference: W&D79

Data Update History (information):
zB02, zD04a

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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