Cohort Gamasina - Royal Alberta Museum

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Almanac of Alberta Acari Part II Version 2.02 February 2012 draftWorld species:Comments: An unidentified species in this genus has been reported from NS and CA, but we alsohave seen collections from the Yukon and grassland soil in Alberta. Licnocepheusreticulatus Woolley, 1969 was described from Louisiana.Canadian species listed on DOC (bold = AB): Licneremaeus sp. NS*Licneremaeus sp. 1 DEWAlso Known As:ABMI code: LICNSP1Diagnostic characters: 0.280 long; cerotegument of legs, prodorsum, notogaster, and ventralplate composed of dense spherical pustules 1-2 µm in diameter, no reticulate pattern; boflabellate (30 long x 25 wide) and spiculate; movable digit of chelicera with 3 large teeth,distal tooth larger than others; fixed digit with large basal tooth and 3 smaller distal teeth;rutellum with cup-like median portion and lateral bidentate stalk; tridactyl.Overview: most specimens probably pass through the 300 μm grid.Barcodes:ID Check: Determination by DEW based on Balogh & Balogh (2002).Similar taxa: Licnobelba (carries scalps, 6 pairs genital setae).Collections: Beef Cattle Research Ranch, near Kinsella, Alberta (53°01′27″ N, 111°33′17″ W).DOC (5/2011): [+other] Distribution:Images: Light-micrographs Beef Cattle Research Ranch, near Kinsella, Alberta (53°01′27″ N,111°33′17″ W)Ecology: Gut contents include brown hyphae.Literature: Marshall et al. (1987);Superfamily Oppioidea Grandjean, 1951Key to the subfamilies and genera of Oppiidae of North America1. Crista present or seta c 2 subequal to other notogastral setae (except Dissorrhina); 4-6 pairsgenital setae; lyrifissure iad parallel to anal shield (paranal) .................................................... 2- Crista absent or weakly developed and c 2 either absent, or shorter than other notogastral setae;4-5 pairs of genital setae; lyrifissure iad paranal or apoanal (tangential) ................................. 32. Costulae absent (lamellar lines maybe present) .... MEDIOPPIINAE Subías & Minguez 198524
Almanac of Alberta Acari Part II Version 2.02 February 2012 draft- Costulae present ........................................................................ OPPIELLINAE Seniczak 19753. Anterior notogaster with one pair of small humeral processes or spines present, orinterbothridial region with or without costulae, if without, then faint lamellar andtranslamellar shelves present. Lyrifissure iad paranal or apoanal ............................................. 4- Anterior of notogaster without humeral spines or processes; costulae absent; lamellar andtranslamellar lines present or absent. Lyrifissure iad usually paranal ...................................... 54. (3) Interbothridial costulae present. Translamellar crest usually more developed thanlamellar ones. Anterior of notogaster without humeral spine or process. Lyrifissure iadparanal. Notogaster with 9 pairs of setae; seta c 2 absent ... MYSTROPPIINAE Balogh 1983(One genus in North America Striatoppia Balogh 1958)- Interbothridial costulae absent. Lamellar crests usually more developed than translamellarone. Anterior of notogaster with humeral spine or process well or weakly developed.Lyrifissure iad paranal or apoanal ............................................. OXYOPPIINAE Subías 1989(One genus in North America Subiasella (Lalmoppia) Subías & Rodriguez 1986)5. (3) Lamellar and translamellar lines absent and bothridial sensillus lanceolate orfusiform, never pectinate, radiate or ciliate .................................. OPPIINAE Grandjean 1951- Lamellar and/or translamellar lines present, or if absent, bothridial sensillus either radiate,pectinate or ciliate ................................................................. MULTIOPPIINAE Balogh 1983MEDIOPPIINAE1. Crista absent. Without lines or sclerotized apophyses running from dorsosejugal scissure tobasal part of prodorsum ....................... Discoppia (Cylindroppia) Subías and Rodriguez 1986- Crista present, or sclerotized apophyses running from dorsosejugal scissure to basal part ofprodorsum present ..................................................................................................................... 22. Bothridial seta pectinate or fusiform and ciliate. Genital plates usually with 6 pairs of setae........................................................................................ Medioppia Subías and Minguez 1985- Bothridial seta lanceolate to globular, usually aciculate. Genital plates usually with 4 pairs ofsetae ..................................................................................................... Microppia Balogh 1983OPPIELLINAE1. Dorsosejugal scissure straight or slightly arched, anterior part of notogaster never penetratinginto basal part of prodorsum. Bothridial seta usually fusiform, ciliate .................................... 2- Dorsosejugal scissure strongly convex, parabolic or semicircular, penetrating deeply into basalpart of prodorsum. Bothridial setae various ............................................................................. 325
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Cohort Gamasina - Royal Alberta Museum

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