Anphilaemon, Philaemoninae, distinctive in having the nephropores on ix a 1 , x a 1, anterior, close to viii/ix, ix/x, in the middle of xi a1; differs from Philaemon s. s. in having the paramedian somital sense organs included in the borders of the median dorsal dark band; a continuous narrow contrast stripe along the medial edge of the paramedian field, the field completed by a dark band extending across the intermediate field, with the intermediate sense organs median and the supramarginals lateral in the band

Richardson, LR

University of Tasmania Open Access Repository

L.King IslandTasm.-, 113Australia.aI'; differs from Philaemon s.s.somital sense organs included in the borders of the mediandorsal dark band; a narrow contrast stripe along the medial edge of theparamedian field, the field completed by a dark band extending across the intermediatefield, with the intermediate sense organs median and the supramarginals lateral in theband.familyDividing Range North Queensland Victoria, Tasmania,known land-leeches of Victoria and Tasmania, belong to thisThere has been major difficulty in systematizing the Philaemoninae at the southernend of its distribution. The type genus for the subfamily is Philaemon-, a nameproposed by Blanchard (1897), but lacking or definition until 1917, anddefined then only as 4-annulate) a.uriculate, the type species PhilaemonBlanchard and Lambert describe the somital annulation in the manner of Whitman:preanal somites; the annulus containing the somital ganglion, recognized as theanterior annulus of the somite, and the following annulus as the posteriorannulus of the somite. Their descriptions to the somital annulationof Moore 27 preanal in thenephroporic somiteLambertnal morphologya closely detailed description of the external and inter-pungens-, basing this on specimens from southern Victoria1774-annulates froma male median region as shown by Lambert.region is as in the new species: a simplenerve cord ganglion to little more than twiceand with the male ducts joininganterior face of atrium. term thisbecause of this was toland-leeches in Tasmania.have not seenmale medianof the size of athe nerve cord,on theIt wasthedorsal pattern a longitudinalrestricted to the this a light contrastalong each line of the as segments between a2the length of the region inirregular \vide brownto each stripe, field, the line of theintermediate somital sense and the line of the supra-marginal sense organs, in band "uniform in life"; lackinga marginal contrast stripe "the lateral edge where dorsalarea meets the pale ventral surface"), with a marginal contrast stripe intactanteriorly and br~ken posteriorly into segmentalhaveRichards on 1975xi/xii (xi b6 ),the general somitalCastrabdeZZa based Richardsonresembles PhiZaemon having a contrastsense organs, differs having a second contrastfield, the stripe including supramarginal sense organs, the(xi xii, and small lambertian organs;M. south-eastern Queensland, has a contrastthe length of the median field, the paramedian sense organs within the mediala dark band extending middle of the intermediate field with the intermediatesense organs within from in vi to xxvi contrast completingthe intermediate supramarginal tothe stripe.graphic stabilityterrestrial sanguivores. Inand paramedian areas stablegeneral somital annulation and/or other morphologicaldifferences in the of the pattern in the dorsal intermediate and marginalareas have been to have specific value- in. some (Richardson 1971, 1974).On the above basis, it is proper to proposeKing Island.new genus for the land-leeches onSub-family PHILAEMONINAEANPHILAEMON gen-. nov.Derivation: an- + PhiZaemon.'J•FormFigures basedGeneral somitalii to ix; c.Location ofmass182tomedianA wide dark band with a narrow darker medialfield, includes the line of intermediate somitalthe band, the band extending across the intermediateborder which includes sense organstwo borders of anteriorly.marginal above bybelow , maculated rather irregularly givingin the upper portion of field, thiswith ~osterior a pale bandfading afterportion with dark edges,of rather uniformin many land-leechesAllo~ing for this, the dorsal pattern in life for this species would be a widedark median band including the lines of the paramedian somital sense organs, the bandseparated by a narrow contrast close to the median edge of the paramedianfield, from a wide dark band across the paramedian field, the line of theintermediate somital sense organs, the intermediate field, the line of the supramarginalsense organs, and briefly into the marginal field; a narrow contrast stripe with astraight dorsal margin completing the marginal field, and possibly continuous withthe venter.Annulation (fig. 1. bContracted; the intersomital and interannular furrowsannuli compressed; areolation along much of thecommonly recognizable; , generally readilybut requiring careful ix to xi.The 1st nephropores are ventral to the ocular areolae of iv~ v; the 2nd nephro-pores, anterior on ix and close to the 3rd, anterior on x aI, close toix/x; the 4th, in the of the length xi al; the 5th to 16th, on xii to xxiii~posterior on al close to al/a2; the 17th nephropores, each at the bottom of a wide-mouthed nephroporic pit beneath the auricle.Somite i forming the anterior margin of the sucker; the eyes each in an ocularareola; ii~ iii~ iv~ uniannulate, the oculars of ii contiguous, of iii separated by 4areolae of iv separated by 6 areolae, and iv forming the dorsolateral portions ofthe margin of the sucker; v erratically areolate between the oculars as though3-annulate, but essentially 2-annulate, aIa2>a3, continues to theoculars, lacking in the median ventral field, so forms ventrolateralportions of the margin of the sucker, and uniannulate v the ventral margin; vialmost complete 3-annulate, al=a2 with the 5th eyes >a3, the mid-ventral field; vii 3-annulate al al 4-annulate; viii ; ixassessableaI- .;J .L_L):::.l.L ... .Lxxiv xxv~~eXCluded from thelike auricle with aThe dorsum of the posterior sucker with 6 concentric rows of areolae; the venterwith a small areolate central area about a of the diameter, the areolaefusing into rows forming muscular ridges to terminate as some 80 ridges onthe margin.183andSystemThe contracteddorsoventraldescriptionhalf of xxiii,insertionintersomital dorsoventral musculature inhabenae (Richardson 1977) is represented by threeascending in the chambersonto dorsal wall in chamber. TheseThe bands are without attachment theirbe down to floor thecan be approximated:origin inorigin at the levelganglion xxv, insertionHabenae of the B group were not recognized.Central Nervous System (fig. 1. e)The d~tails of the anterior ganglionic mass and ganglia vii and v&&& could notbe determined; ganglion xxiii, spaced from xxiv; xxv, xxvi, xxvii, in intimatecontact, ganglion xxiv distinctly the larger, and in intimate contact with theposterior ganglionic mass.Alimentary Tract (fig. 1. f)The anterior sucker is contracted. The margin is a single fold on all aspects,divided by deep furrows into a transverse anterior portion, longer dorsolateralportions, and a transverse ventral portion, the furrows continuing onto the surface ofthe chamber of the sucker which is thrown into two tall folds at the inner ends of thedorsolateral portions, and papillate, but the papillae are low, irregular, and doappear to be permanent.aperture at theannular groove housingthese a short chamberThere is ainto apad,the pharynx.The jaws are low, compressed, the dental margin nearly straight and about 0.25 mmlong, armed with a row of many crowded minute teeth forming a continuous cutting edge.Posterior to the dorsoventral connectives of the anterior ganglionic masses, thepharynx is thin-walled, narrow, and about 0.25 mm in diameter.The crop compartments anterior to xviii are strongly compressed, the form andcaecation not definable; the compartment in xviii, but expanded laterallywith caeca median on and wide-based on the compartment; in the postcaeca extendfrom the full length of the side walls of the compartment, both inflated, extendedmedially so that the intestine is entirely beneath them, thin-walled,terminating bluntly at about xxiv.paired male ducts within medianmale median region, the ovaries andintestine is inflated, tosimple lateral caeca, and connects subterminally to the inflated rectum.Reproductive Systems . 1. d,Genital pores, xiDue to contraction, primarysplanchnic chamber, are compacted,Blanchard, R. 18971727-1760.Hirudinees .. Perrier ..des HemadipsinesDE ZOOLOGIE, Paris, part 4:terrestres). Bull. Soc.191-232Viet.

Anphilaemon kingi gen. et sp. nov., a land-leech on King Island, Bass Strait (Haemadipsoidae: Domanibdellidae)

LR Richardson (17077039)

The Francis Crick Institute

https://eprints.utas.edu.au/14181/1/1979_Richardson_Anphilaemon.pdf

Anphilaemon kingi gen. et sp. nov., a land-leech on King Island, Bass Strait (Haemadipsoidae: Domanibdellidae)

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