Agabus bipustulatus (Linnaeus, 1767)

Lamelas-López, Lucas, Raposeiro, Pedro Miguel, Borges, Paulo A. V. & Florencio, Margarita, 2017, Annotated checklist of aquatic beetles (Coleoptera) and true bugs (Heteroptera) in the Azores Islands: new records and corrections of colonization status, Zootaxa 4353 (1), pp. 117-132 : 123

Agabus bipustulatus (Linnaeus, 1767)

Material. OnE AdUlT SpEcImEn And TWO lArVAE. COllEcTEd On 13/VII/2011. "CAldEIrãO" - COrVO ISlAnd. UTM: 25 S 662065 4397306.

Habitat. ThIS SpEcIES IS A cOmmOn SpEcIES InhAbITIng A lArgE VArIETY Of AQUATIc hAbITATS InclUdIng SmAll rIVErS, pOndS, lAkES And EnVIrOnmEnTS WITh pEbblY dEpThS, SIlT And mArgInAl VEgETATIOn. ThIS TAxOn AlSO InhAbITS TEmpOrArY pOndS And hUmAn-mAdE rESErVOIrS (FrIdAY 1988; DOnISThOrpE 1913; PIcAzO et al. 2010; DrOTz et al. 2012).

Azorean habitat. ThIS SpEcIES hAS bEEn fOUnd In pErmAnEnT And TEmpOrArY pOndS, frEQUEnTlY lOcATEd In mEdIUm-hIgh AlTITUdES (bETWEEn 500 TO 912 m. A.S.l.), AlThOUgh IT hAS AlSO bEEn ObSErVEd In lOW AlTITUdES (390 m. A.S.l. "CAldEIrãO - COrVO) And In cATTlE TAnkS. A. bipustulatus USUAllY OccUrS In AcIdIc WATErS (pH VAlUES rAngIng frOm 4.4 TO 7.1) And OxYgEnATEd WATErS (dISSOlVEd OxYgEn cOncEnTrATIOn VAlUES rAngIng frOm 6.7 TO 8.1 mg L–1).

World distribution. Agabus bipustulatus hAS A PAlEArcTIc dISTrIbUTIOn. WIdESprEAd And ExTEndEd In EUrOpE, NOrTh AfrIcA And SOmE rEgIOnS Of AfrIcA (SErrAnO & BOrgES 1987; DrOTz et al. 2003; DrOTz et al. 2012).

Azorean distribution. AzOrES IS ThE WESTErnmOST ArEA In ThE dISTrIbUTIOnAl rAngE Of ThIS SpEcIES. IT IS prESEnT In FlOrES, PIcO, SãO JOrgE And TErcEIrA ISlAndS. OUr nEW rEcOrd cOnfIrmS ThE prESEncE In COrVO ISlAnd (SEE FIg. 1 ).

Figures

FIGURE1. NEW RECORDS fOR THEAZORES ISLANDS (LATITUDE 36º 55’–39° 43’ N; LONGITUDE 24° 45’–31°17’ W). COR CORVO ISLAND, TER TERCEIRA ISLAND,PIC PICO ISLAND AND SMG SãO MIGUEL ISLAND.