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.