Volume 53 January 1986 Number 1 •^ 'i- -' . I y . | ; PROCEEDINGS of The Helminthological Society . vi V . - X / on A semiannual journal of research devoted to Helminthology and all branches of Parasitology -Supported in part by the \n H. Ransom Memorial Trust Fund KRITSKY, D. C., V. E. THATCHER,\AND W. A. BOEGER. Neotropical Monogenea. 8. ReviskwKof Urocleidoides (Dactylogyridae, Ancyrocephalinae) ..„...„.......:„.... :..... ,1 ,CoiL, WILLIAM H. The Early Embryology of Hymenolepis dirfiimtta (Cestoda) 38 AMIN, OMAR M. Caryophyllaeidae (Cestoda) from Lake Fishes in Wisconsin with a , .Description of Isoglaridacris multivitellariasp.n. frpm Erimyzon sucztta (Casto- stomidae) ::,......;.........;.;_..; 1 '. ].:.'., .'. L. ..{. 48 'UNp^EkwooD, HAROLD T., AND NORMAN O. DRONEN. Neocyclustera ralli gen. et sp. Tn. (Cestoidea: Dilepididae) and Other Endohelminths from Clapper Rails, Rallus . longirostris,iiQra. a Marsh in Galveston County, Texas : ...„.,..,...„ „... ..'.. 59 iHuETTEL, ROBIN N., AND RAYMOND V. REBdis." Bioassay Comparisons for Phero- *', mone Detection in Heterodera glycines, the Soybean Cyst Nematode l ..:. 63 OTHMAN, ABUBAKER A., ifiND j. G. BALDWIN. Comparative Morphology ofSarisodera hydrophila, Rhizonema sequoiae, and Afenestrata africana (Heteroderidae) with Scanning Electron Microscopy :......... ,.....,..,.. •.„ ,.... 69 HOBERG, ERIC P., GARY D ZIMMERMAN, AND J. RALPH LIGHTENFELS. First Report of Mematodirus battus (Nematoda: Trichbstrongyloidea) in North America: Rede- iscription and Comparison to Other Species ........L. j. :. „.„..„„ 1 ADDISON, EDWARD M., DONALD J. FORRESTER, R. DAVID WHITLEY, AND M. MICHELILE ! I CURTIS. Oxyspirura youngi sp. n. (Nematoda: Thelaziidae) from the Patas Mon- key, Eryfhrocebus patas L£ „...: _...„ .......:...„._ ;.„. 89 " (Continued on Outside Back Cover) i '' ^'! \0 Copyright © 2011, The Helminthological Society of Washington / THE HELMINTHOLOGICAL SOCIETY OF WASHINGTON ''.,-'" 'i~ •'" •'. - / ' / '•*£ • ""'- " :• /• •'( < THE SOCIETY meets once a month from October through-May for the presentation and discussion \ofpapers in any and all branches of parasitology or related sciences. All interested persons are invited to attend. ...^ ' /•['.. :""V''\ • •..';" -/' Persons interested" in membership in theXHelminthological Society of Washington may obtain application blanks in recent issues of THE PRpCEEDINGS. A year's subscription to the Proceedings is included in the annual dues. „ / President: RALPH P. ECKERLIN Vice President: PATRICIA A. PILITT Corresponding Secretary-Treasurer:MICHAEL D. 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PENCE HARLEY G.1SHEFFIELD^ VASSILIOS THEODORIDES JOSEPH F, URBAN © The Helminthological Society of Washington 1986 . - ,- > i-; , )'..{' • '> ' ''; ', -; - '!~--' *'''-•'' -/ '':s "" ' .- Copyright © 2011, The Helminthological Society of Washington Proc. Helminthol. Soc. Wash. 53(1), 1986, pp. 1-37 Neotropical Monogenea. 8. Revision of Urocleidoides (Dactylogyridae, Ancyrocephalinae) D. C. KRITSKY,1 V. E. THATCHER,2 AND W. A. BOEGER3 1 Department of Allied Health Professions and Idaho Museum of Natural History, Idaho State University, Pocatello, Idaho 83209, 2 Institute Nacional de Pesquisas da Amazonia, Manaus, Amazonas, Brazil and 11NPA, and Department of Biological Sciences, Idaho State University, Pocatello, Idaho 83209 ABSTRACT: Urocleidoides Mizelle and Price, 1964, is restricted to species possessing a sinistral vaginal sclerite, overlapping (tandem?) gonads, counterclockwise cirral rings, simple anchors, and hooks (pairs 1 and 5 usually reduced) with enlarged shanks. Urocleidoides contains the type species, U. reticulatus Mizelle and Price, 1964, U. anops Kritsky and Thatcher, 1974, and U. curimatae Molnar, Hanek, and Fernando, 1974. In addition, U. eremitus sp. n. and U. paradoxus sp. n., herein described from Hoplias malabaricus (Bloch) and Rhytiodus microlepis Kner, respectively, are included in the genus. Fish hosts of the superfamily Characoidea (Cyprini- formes) are considered to be the natural hosts of Urocleidoides species. Ancyrocephalus dyki Lucky, 1972, and Gussevia minuta Kohn and Paperna, 1964, are junior synonyms of U. reticulatus. Vancleaveus gen. n. is proposed for ancyrocephaline species infesting the gills of siluriform fishes and possessing a ventral vagina, overlapping gonads, an elongate seminal vesicle and prostatic vesicle, dorsal anchors with conspicuous folds on the superficial roots, and hooks with shanks inflated along their entire length. The genus includes V. janauacaensis sp. n. (type) from Pterodoras granulosus (Valenciennes), V. cicinnus sp. n. from Phractocephalus hemiliopterus (Bloch and Schneider), V. fungulus sp. n. from Pseudoplatystoma tigrinum (Cuvier and Valenciennes) and P. fasciatum (Linnaeus), and V. platyrhynchi sp. n. from Hemisorubim platyrhynchos (Valenciennes). Cosmetocleithrum gen. n. is proposed from siluriform fishes and is characterized by species possessing a dorsal bar with two submedian posterior projections, a sinistral vagina, tandem gonads, and hooks with undilated shanks. The following new species of Cosmetocleithrum are described: C. gussevi (type), C. confusus, C. parvum, C. rarum, and C. sobrinus, all from Oxydoras niger (Valenciennes), and C. bulbocirrus from Pterodoras granulosus (Valenciennes). Gussevia Kohn and Paperna, 1964 is resurrected for G. spiralocirra Kohn and Paperna, 1964 (type) from Pterophyllum scalare (Lichtenstein); G. alii (Molnar, Hanek, and Fernando, 1974) comb, n., G. cichlasomatis (Molnar, Hanek, and Fernando, 1974) comb, n., and G. dobosi (Molnar, Hanek, and Fernando, 1974) comb. n. from Cichlasoma bimaculatum (Linnaeus); G. obtusa sp. n. and G. elephus sp. n. from Uaru amphiacanthoides (Heckel); G. longihaptor (Mizelle and Kritsky, 1969) comb, n., G. undulata sp. n., G. arilla sp. n., and G. tucunarense sp. n. from Cichla ocellaris Bloch and Schneider; and G. alioides sp. n., G. dispar sp. n., and G. disparoides sp. n. from Cichlasoma severum (Heckel). Gussevia is characterized by having overlapping gonads, a haptor with anterior and posterior lobes, modified ventral anchors with well-developed anchor filaments, modified (reduced) hook pair 5, and a clockwise cirrus coil. All known species of Gussevia occur on fishes of the family Cichlidae. Ancyrocephalus pterophylii Lucky, 1970 is a junior synonym of G. spiralocirra; and Longihaptor Mizelle and Kritsky, 1969 is considered a junior synonym of Gussevia. Urocleidoides affinis Mizelle, Kritsky, and Crane, 1968, U. amazonensis Mizelle and Kritsky, 1969, U. carapus Mizelle, Kritsky, and Crane, 1968, U. catus Mizelle and Kritsky, 1969, U. chavarriai (Price, 1938) Molnar, Hanek, and Fernando, 1974, U. corydori Molnar, Hanek, and Fernando, 1974, U. costaricensis (Price and Bussing, 1967) Kritsky and Leiby, 1972, U. gymnotus Mizelle, Kritsky, and Crane, 1968, U. heteroancistrium (Price and Bussing, 1968) Kritsky and Leiby, 1972, U. kabatai Molnar, Hanek,