RESUMO
García Coy (1994) described the hystrignathid nematode Longior alius García Coy, 1994 parasitizing the passalid beetle Antillanax pertyi (Kaup, 1869) from Guantánamo province, Eastern Cuba. Morffe García (2011) continued the studies on Cuban Longior and described L. longior Morffe García, 2011. Morffe et al. (2018) redescribed L. longior with the aid of SEM and molecular techniques. In their research the authors studied Longior individuals from the same host species and a locality close to the type locality of L. alius and compared their morphology, measurements and DNA markers with other material of L. longior. As a result of this analysis Morffe et al. (2018) concluded that L. alius and L. longior are conspecific and proposed L. alius as a synonym of L. longior.
Assuntos
Besouros , Oxyurida , Animais , Besouros/parasitologia , Cuba , Genes de Helmintos/genética , Microscopia Eletrônica de Varredura , Oxyurida/classificação , Oxyurida/genética , Oxyurida/ultraestrutura , Especificidade da EspécieRESUMO
A new species of the nematode Triumphalisnema Kloss, 1962 (Oxyuridomorpha), is described from the wood beetle Proculejus hirtus Truqui from the mountain mesophilic forest in Hidalgo State, Mexico. Triumphalisnema zuuei n. sp. is distinguished from the other 4 congeners species by the presence of an expanded cervical ring, well-developed lateral alae, an obtuse cauda with a short and bifurcated caudal appendage, series of cuticular folds at ventral and dorsal body surface from excretory pore level to anal region, and ellipsoidal eggs ornamented with numerous small mushroom-like structures over the surface. The phylogenetic position of the new species is inferred based on a Maximum Likelihood and Bayesian Inference analysis of partial sequences of 18S SSU rRNA. The phylogenetic analysis showed that Triumphalisnema zuuei n. sp., the only representative of the Traklosiidae in our study, is closely related to Coynema poeyi and species of Longior, Hystrignathus, and Lepidonema, all of them members of Hystrignathidae. These relationships are supported by high support values. The present study increases to 5 the number of species assigned to Triumphalisnema, all of them parasites of Passalidae. Additionally, a taxonomic key to the species of the genus is provided.
Assuntos
Besouros/parasitologia , Spirurina/classificação , Altitude , Animais , Sequência de Bases , Teorema de Bayes , DNA de Helmintos/química , DNA de Helmintos/isolamento & purificação , Feminino , Florestas , Intestinos/parasitologia , Funções Verossimilhança , México , Microscopia Eletrônica de Varredura , Filogenia , RNA Ribossômico 18S/genética , Alinhamento de Sequência , Spirurina/anatomia & histologia , Spirurina/genética , Spirurina/ultraestruturaRESUMO
Two new genera and species parasitizing passalid beetles from the Democratic Republic of Congo are described. Batwanema congo gen. n. et sp. n. is characterized by having females with the cervical cuticle armed with scale-like projections, arranged initially in rows of eight elements that gradually divide and form pointed spines toward the end of the spiny region, two cephalic annuli, clavate procorpus and genital tract monodelphic-prodelphic. Two Malagasian species of Artigasia Christie, 1934 were placed in this genus as B. latum (Van Waerebeke, 1973) comb. n. and B. annulatum (Van Waerebeke, 1973) comb. n. Chokwenema lepidophorum gen. n. et sp. n. is characterized by having females with the cervical cuticle armed with scale-like projections, arranged initially in rows of eight elements (similar to Batwanema) that divide gradually, forming spines; a single cephalic annule cone-like, truncated, moderately inflated; procorpus sub-cylindrical and genital tract didelphic-amphidelphic.
RESUMO
Two new genera and species parasitizing passalid beetles from the Democratic Republic of Congo are described. Kongonema meyeri gen. n. sp. n. is characterized by having females with the cervical cuticle unarmed, first cephalic annule cone-like and truncate, sub-cylindrical procorpus and genital tract didelphic-amphidelphic. The males of Kongonema meyeri gen. n. sp. n. have the procorpus sub-cylindrical, the dorsal cuticle of the tail end thickened, a single large, median mammiform pre-cloacal papilla and a pair of small, pre-cloacal, sub-lateral papillae at a short distance before the level of the cloaca. Lubanema decraemerae gen. n. sp. n. is characterized by the body markedly fusiform, cuticle unarmed and strongly annulated, procorpus sub-cylindrical, isthmus as a constriction between procorpus and basal bulb, genital tract monodelphic-prodelphic and the posterior end rounded with a very short tail appendage.
RESUMO
The new genus Coynemagen. n. is described as parasite of the two passalid beetles from Cuba: Passalus interstitialis Escholtz, 1829 (type host) and Passalus pertyi Kaup, 1869. Females are characterized by the shape of their cephalic end, cervical cuticle unarmed, a sub-cylindrical procorpus with its base abruptly dilated, fore region of intestine dilated as a sac-like structure, genital system didelphic-amphidelphic and eggs markedly ovoid and smooth-shelled. Males have a digestive system similar to females, tail sharply pointed, bearing a Y-like thickening of the dorsal cuticle. They also present a big, median, mammiform pre-cloacal papillae and a pair of small, sub-dorsal pre-cloacal papillae anterior to the cuticular thickening of the tail.
RESUMO
Longior zayasi Coy, García & Alvarez, 1993 is established as incertae sedis because the males (declared as the holotype) are inconsistent with the generic diagnosis, particularly in relation to the morphology of the head and tail. Thus, the females of Longior zayasi species (which agree with the generic diagnosis) are renamed and re-described as Longior longior Morffe & García sp. n. We also described males found in the sample and considered as conspecific with the new species. A comparative table with the measurements of the most of the records of Longior longior is given. The male of Longior similis Morffe, García & Ventosa, 2009 is described from the type locality of the species and compared with the known males of the genus. A key to the females of the Cuban Longior is given.
RESUMO
Hystrignathus dearmasi sp. n. (Oxyurida: Hystrignathidae) is described from an unidentified passalid beetle (Coleoptera: Passalidae) from Panama. It resembles Hystrignathus cobbi Travassos & Kloss, 1957 from Brazil, by having a similar form of the cephalic end, extension of cervical spines and absence of lateral alae. It differs from the latter species by having the body shorter, the oesophagus and tail comparatively larger, the vulva situated more posterior and the eggs ridged. This species constitutes the first record of a nematode parasitizing a Panamanian passalid.
RESUMO
Se describe a Artigasia milerai sp. nov. (Oxyurida: Hystrignathidae) parásita de los ciegos intestinales de Passalus interstitialis Escholtz, 1829 (Coleoptera: Passalidae) de Escaleras de Jaruco, provincia La Habana, Cuba (localidad tipo) y El Pan de Matanzas, provincia Matanzas, Cuba. La misma difiere de A. ensicrinata (Hunt, 1981); A. monodelpha (Travassos & Kloss, 1958) and A. pauliani Théodoridès, 1955 por tener los huevos ornamentados con crestas longitudinales y la cola, en proporción, más corta. Además, se diferencia de A. monodelpha y A. pauliani por el esófago, en proporción, más corto, la vulva ligeramente más posterior y la extensión de las espinas cervicales. A. milerai sp. nov. es cercana a A. ankaratrae Van Waerebeke, 1973, pero se diferencia por el cuerpo más robusto, el esófago proporcionalmente más corto y la extensión de las alas laterales.
Artigasia milerai sp. nov. (Oxyurida: Hystrignathidae) is described from the gut caeca of Passalus interstitialis Escholtz, 1829 (Coleoptera: Passalidae) from Escaleras de Jaruco, La Habana province, Cuba (type locality) and El Pan de Matanzas, Matanzas province, Cuba. It differs from A. ensicrinata (Hunt, 1981), A. monodelpha (Travassos & Kloss, 1958) and A. pauliani Théodoridès, 1955 by having ridged eggs and a comparatively shorter tail. It also differs from A. monodelpha and A. pauliani by having a comparatively shorter esophagus, the vulva being slightly more posterior, and the extension of the cervical spines. It is close to A. ankaratrae Van Waerebeke, 1973 but can be differentiated by a stouter body, a comparatively shorter oesophagus and and the extension of the lateral alae.
RESUMO
Se describe a Artigasia milerai sp. nov. (Oxyurida: Hystrignathidae) parásita de los ciegos intestinales de Passalus interstitialis Escholtz, 1829 (Coleoptera: Passalidae) de Escaleras de Jaruco, provincia La Habana, Cuba (localidad tipo) y El Pan de Matanzas, provincia Matanzas, Cuba. La misma difiere de A. ensicrinata (Hunt, 1981); A. monodelpha (Travassos & Kloss, 1958) and A. pauliani Théodoridès, 1955 por tener los huevos ornamentados con crestas longitudinales y la cola, en proporción, más corta. Además, se diferencia de A. monodelpha y A. pauliani por el esófago, en proporción, más corto, la vulva ligeramente más posterior y la extensión de las espinas cervicales. A. milerai sp. nov. es cercana a A. ankaratrae Van Waerebeke, 1973, pero se diferencia por el cuerpo más robusto, el esófago proporcionalmente más corto y la extensión de las alas laterales.
Artigasia milerai sp. nov. (Oxyurida: Hystrignathidae) is described from the gut caeca of Passalus interstitialis Escholtz, 1829 (Coleoptera: Passalidae) from Escaleras de Jaruco, La Habana province, Cuba (type locality) and El Pan de Matanzas, Matanzas province, Cuba. It differs from A. ensicrinata (Hunt, 1981), A. monodelpha (Travassos & Kloss, 1958) and A. pauliani Théodoridès, 1955 by having ridged eggs and a comparatively shorter tail. It also differs from A. monodelpha and A. pauliani by having a comparatively shorter esophagus, the vulva being slightly more posterior, and the extension of the cervical spines. It is close to A. ankaratrae Van Waerebeke, 1973 but can be differentiated by a stouter body, a comparatively shorter oesophagus and and the extension of the lateral alae.