Hexatomini INFORMATION SHEET · An introduction to the aquatic insects of North America (3rd...
Transcript of Hexatomini INFORMATION SHEET · An introduction to the aquatic insects of North America (3rd...
EOS EcOlOgy | www.eosecology.co.nz Hexatomini | page 1 of 2
E C O L O G Y
Identification Key to Campbell Island Freshwater InvertebratesMcMurtrie, Sinton & Winterbourn (2014)
Classification
Class: Insecta
Order: Diptera
Family: Tipulidae
Subfamily: Limoniinae
Tribe: Hexatomini
Genus: unknown
Common name: cranefly
Distinguishing Features
• Bodygoldenwithahairysurface(Fig.1);length3.6mm.
• Bladesofmaxillaeproducedaselongateappendagesprojectingwellbeyondthehead(Fig.2).
• Spiraculardiskwith4lobes(Fig.3),palewithshortfringesofhairs;spiraclesblack.
Comments
ThiswasoneofthreespeciesofTipulidaelarvaefoundinthe
freshwaterinvertebratesamplesduringthe2010–11CampbellIsland
BicentenialExpedition(Limoniinae,Hexatomini,Eriopterini).Aswell
astwoknownEriopterinispecies(Erioptera (Trimicra) brachyptera, E.
(T.) pilipes,Evenhuis,1989),twoLimoniinaespeciesofMolophilus
specieshavealsobeenrecordedfromtheisland(Alexander,1964).
TheconditionshownbythemaxillaeisfoundinLimnophila species
(Byers,1996).
Original Description
N/A
References & Further Reading
Alexander,C.P.1964.InsectsofCampbellIsland.Diptera:
TrichoceridaeandTipulidae.PacificInsectsMonograph7:272-279.
Byers,G.W.1996.Tipulidae.Pp549-570inMerritt,R.W.&Cummins,
K.W.(eds)1996.AnintroductiontotheaquaticinsectsofNorth
America(3rdedition).Kendall/Hunt,Dubuque,Iowa.
Evenhuis,N.L.ed.1989.Catalog of the Diptera of the Australasian
and Oceanian Regions.BishopMuseumSpecialPublication86.
FIguRe 1. Hexatomini whole animal
FIguRe 2. Head showing projecting maxillae blades
FIguRe 3. Diagram of posterior spiracular disc
Hexatomini INFORMATION SHEET
ACKNOWLeDgeMeNTS–ThecreationoftheLucidKeyandinformationsheetsweresupportedbytheTFBIS(TerristrialandFreshwaterBiodiversityInformationSystem)FundadministeredbytheDepartmentofConservation(TFBISContractNo.278),andbyEOSEcology.InvertebratespecimenswerecollectedbyEOSEcologyduringthe2010–11CampbellIslandBicentennialExpedition(CIBE),madepossiblebythe50ºSouthTrust.
BishopMuseumPress,HonoluluandE.J.Brill,Leiden.1155pp.
How to Cite this Information Sheet
McMurtrie,S.A.,Sinton,A.M.R.,&Winterbourn,M.J.2014.LucidIdentificationKeytoCampbellIslandFreshwaterInverterbrates:
maxillae
lobes
spiracles
EOS EcOlOgy | www.eosecology.co.nz Hexatomini | page 2 of 2
Biogeographic Information
Presence/absenceonstreams,tarns,andaseepagesampledonCampbellIsland. DistributionmapbasedonsurveysundertakenbyEOSEcologyduringthe2010–11CampbellIslandBicentennialExpedition (www.campbellisland.org.nz).Distributiondata©EOSEcology,2013.