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Xyleborus perforans

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Image:	Adult specimen	38KB
Image:	Adult	63KB

General Information

GLOBAL DISTRIBUTION: RANGE ? - Indonesia, Australia - Solomons - Marquesas - ?; Hawai‘i

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

SIGNIFICANCE LIST: ; Pest

KEY FEATURES: Brown, cylindrical beetle to 2.5mm. FACE under thorax; eyes black; mandibles protruding and black. THORAX front half pitted and bristled; hind-half very few pits and very few bristles. WINGCOVERS lines of pits; pale bristles.

SIMILAR SPECIES: Coccotrypes cyperi and Cryphalus sylvicola are much smaller, at 1mm (vs. 2.5mm); both have thorax hind-half pitted and bristled (vs. very few pits and bristles).

Cook Islands Distribution

View Distribution Map

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

Xyleborus perforans (Wollaston)
SYNONYMS: Xyleborus kraatzi; Xyleborus testaceus

TAXONOMY: ANIMALIA; ARTHROPODA; ATELOCERATA; HEXAPODA; INSECTA; PTERYGOTA; Coleoptera; SCOLYTIDAE. COMMENT: Formerly CURCULIONIDAE (sf. Scolytinae)

More Information

GENERAL NOTE: The most common and widespread Xyleborus in the Pacific. There are several of Xyleborus in the Pacific, including several endemics.

Vouchers & References

Vouchers:
Rarotonga: one specimen, Avarua lowland, 12/1979, Krauss, in BPBM, ID A.Samuelson 1978; 8 specimens, Avarua lowland, 10/1979, Avarua lowland, Krauss, in BPBM, ID R.A.Beaver 1991; specimen, location?, 6/2004, Al Samuelson, ID 12/2004 list as Xyloborus perforans. Aitutaki: 3 specimens, 2/1955, E.B.Pearson, ID R.A.Beaver 1991.

References:
Special Reference: PM79

Data Update History (information):
zTX, zB02, zM03b, 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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