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Acta Mologicia Academiae Scientiarum Hungaricae 46 I); pse. 239-248, 2000
THO NEW AUSTRALIAN SPECIES OF CROTONIA ACARI ORIBATI DA). WITH NEWRECORDS OF CROTONIOIDEA PROM THEAUSTRALI AN REGION
frona Australia Tasmania and New South Wales respectively) frona temperate ratia forestand mili agus moorei forest. An identification key for adulis of the si x Crotonia species of Australia is included. New records of some species of crotonioid mites Crotonioidea) fromthe Australian region are given. The first record of Holonothrus artus OLSZANO SKI si omthe eastern Hemisphere so far only noticed in Chile) is worthy of notice. Key words: Australi an region. Acari. Oribatida, Crotonioidea, taxOnomy, ZOOgeography
The recently is sued interactive key to the ori balid mites of Australia sHUNT et ah l 998) names 320 formalty described species. of whicli only id species
β. 3 R) be long to the superfami ly Crotonio idea. However. in the whole Australi an region nearly P0 species Dona this superfami ly have been mund over half of this number in the area os New Zealand whicli comprises almost lis of ali crotonio id mites of the worid. Species of the genus Crotonici exhibit of the so-called 'Gond wanan ' dis tribution. i.e. with presumed origin frona the ancient Gond wana land mass HAM MER & WALLwORK l9J9). Frona among over 30 species of the genus Crotonia hitherio described. the majori ty occur in the Australian region a few species were described frona Africa and Dom Solith America). Descriptions of two Species new to science frona this genus are given below. New data on the distribution os different species helonging to the superfami ly Crotonioidea and recorded by the aut hor in the Australi an region are also included. The presented work is a continuation and completion os previ ous research made by the aut horon the crotonio id mites of the Australi an region OLSZANOWSKI l99J).
The material on whicli the present study is based originates Dom the Canadian National Collection, Ottawa. Canada, the Hungarian Natural History Museum, Budapest, Hungary and The Natural History Museum. London. England to whom I am inde ted. Abbreviations used in the texi
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CNCIAN Canadian National Collection os In secis. Arachnids and Nematodes, Centre for Landand Biological Resources Research, Otta a. Canada: DATE - De partinent of Animal Taxonomyand Ecology. A. MickiewicZ Universi ty. PoZnan, Poland: CSIRO - Common wealth Scientific and Industriat Rese arch organi sation, Division os Ento mology, Calaberra, Australia.
Body covered with cerotegument with some diri and debris and . in posterior pari, usuallywith fragments of tritonymphat exu Vium. Prodorsum Figs l. 3- ) - Rostrum with flattened 'nose'. Two patrs of scieris ed ridges present ora dorsal parto One pair runs antero mediat ly srom near bothridia, bears setae in and almostreaches bases of setae te: the other runs postero mediat ly hom bothridia to be distat ly semicircularly joine l. Procloi sal sui face porose . Rostrat fetae fro) strat glit, sinooth, siluated on sinali tubercles Fig. 4). Lamellar setae fle) curved. fine ly serrated. Sitting on long apophyses, that are Stightly curved mediat ly Fig. β): tips of apophyses distinctly extend heyond rostrum. Interlamellar setae in) sinooth, bent mediat ly, situ aled on stiori apophyses, their tips almost reach bases of rostral
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Materiai examined: holotype sadult se male) and paralypes si adult. t tritonymph. l deuto- nymph) were collected homo Australia: Tasmania. Hel lyer River gorge. temperate rain forest, Jan. l l .l 984. L. MASNER. Holotype is deposited in CSIRO. Calaberra: paralypes in CNCIAN. Otta-
Remai ks - In the hody shape and arran gement of posterior notogastrat fetae the species is close to C. brassicae WALL ORK. l9J8 Dona the St. Helen Istand: the most profound differences are the longer lamellar apophyses and the prese iaceos longitudinal rid ges on the notogaster. From another Australi an species C. jemur nerae LEE l 985, with whicli it shares the feature os deficiency of setae c), it differs by the significantly shorter apophyses of setae iij, of the sanae tength asapophyses 1 and lir, and by the hysteroso mal ornamentation.
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T O NEW AUSTRALIAN SPECIES OF CROTONIA ACARI. ORIBATIDA
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T O NEW AUSTRALIAN SPECIES OF CROTONIA ACARI. ORIBATIDA
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KEY TO THE AUSTRALI AN SPECIES OF CROTONIA
Posterior apophyses not arising frona a single con Spicta OUS. Stem - like exten
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Bases of apophyses h I distant, the distance belween them more than thelength of the apophyses C. tryjunowSkii Sp. n.
NEW RECORDS OF CROTONIO ID SPECIES PROM THE AUSTRALIAN REGION