Menu

home Sumário navigate_before Anterior Atual Seguinte navigate_next

home Sumário

ECOSYSTEMS • An. Acad. Bras. Ciênc. 94 (suppl 3) • 2022 • https://doi.org/10.1590/0001-3765202220211430 linkcopy

Update of Dicrocoeliidae (Digenea) parasitizing rodents from the Americas with a description of a new Platynosomoides species from Argentina

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

Digeneans are common parasites of small mammals. Dicrocoeliidae is a family with a cosmopolitan distribution, with 18 genera previously recorded from mammals in the Americas, six of them parasitizing rodents in Argentina. In this study, an updated compilation is provided of Dicrocoeliidae from rodents in the Americas. Also, a new Platynosomoides species is described parasitizing the cricetid rodent Akodon montensis of the Atlantic Forest in Argentina. Digital repositories were used to search for Dicrocoeliidae from rodents in the Americas. Rodents were collected in four localities of the Atlantic Forest, Argentina. Digeneans were removed from the rodent’s bile duct, and conventional studies were used for the morphological description. A total of 15 Dicrocoeliidae species were found parasitizing 18 rodent species from eight countries in the Americas. The new species of Platynosomoides from Akodon montensis differs from the other two species of genus by the size of body, testes, ovary, cecum length and position and length of the vitelline bands. Dicrocoeliidae show growing diversity, and the compilation of species in a rodent host base allows a clearer comparison and identification of new taxa in the future.

Key words
Akodon montensis; Argentina; Cricetidae; Dicroceliidae; Platynosomoides; Sigmodontinae

Species	Athesmia heterolecithodes	Caballerolecythus ibunami	Canaania obesa ^a	Conspicuum minor ^b	Conspicuum pulchrum	Conspicuum thatcheri	Concinnum peromysci
Author	(Braun 1899) Looss 1899	Lamothe-Argumedo, Falcón-Ordaz, García-Prieto & Fernández-Fernández 2005	Travassos 1944	Mañé-Garzón & Holcman-Spector 1975	(Travassos 1919) Bhalerao 1936	Rivillas, Caro, Carvajal & Vélez 2004	Neidert & Macy 1968
Reference	Martínez & Binda 1992	Lamothe-Argumedo et al. 2005	Maldonado Junior et al. 2010, Guerreiro Martins et al. 2019a	Sutton 1998	Travassos et al. 1969	Rivillas et al. 2004	Neidert & Ralph 1968
Synonymous	Distomum heterolecithodes	-	-	-	Eurytrema pulchrum	-	-
Host species	Myocastor coypus (Myocastoridae)	Liomys irroratus (Heteromyidae)	Akodon azarae, A. cursor, A. montensis, Nectomys squamipes, Oligoryzomys nigripes (Cricetidae)	Scapteromys aquaticus, S. tumidus (Cricetidae)	Oxymycterus quaestor (Cricetidae)	Melanomys caliginosus (Cricetidae)	Peromyscus maniculatus (Cricetidae)
Country	Argentina	Mexico	Argentina, Brazil	Argentina, Uruguay	Brazil	Colombia	United State
Site of infection	Bile duct	Bile duct	Bile ducts and the first part of small intestine	Bile duct	Bile duct	Liver	Pancreatic ducts and a few in the small intestine
Body length	6.95-7.50	6.00-6.90	2.20	0.83-1.62	3.00-3.80	1.12-2.66	2.66-3.19
Body width	1.77-1.96	0.26-0.40	1.30	0.35-0.63	1.50-20	0.49-1.13	0.86-1.10
Oral sucker diameter max	0.32	0.11-0.19	0.28	0.13-0.21	0.43-0.45	0.08-0.36	0.20-0.23
Oral sucker diameter min	0.32	0.10-0.16	0.22	0.13-0.20	0.43-0.45	0.13-0.37	0.19-0.23
Ventral sucker diameter max	0.36	0.10-0.19	0.84	0.24-0.44	0.62-0.70	0.15-0.63	0.23-0.32
Ventral sucker diameter min	0.36	0.09-0.19	0.73	0.23-0.35	0.62-0.70	0.28-0.69	0.23-0.30
Cirrus sac length	-	0.17-0.40	-	0.07-0.17	-	0.17-0.30	0.15-0.24
Cirrus sac width	-	0.04-0.10	-	0.07-0.09	-	0.10	0.06-0.10
Pharynx length	0.12	0.04-0.06	0.17	0.06-0.09	0.17-0.22	0.09-0.37	0.10-0.13
Pharynx width	-	0,04-0,07	-	0.08-0.12	0.17-0.22	0.07-0.38	0.10-0.13
Testes length	AT: 0.64-0.68 PT: 0.72-0.74	AT: 0.28-0.40; PT: 0.31-0.47	0.24-0.28	0.08-0.15	-	LT: 0.07-0.35; RT: 0.05-0.38	-
Testes width	-	AT: 0.16-0.25; PT: 0.18-0.28	0.31-0.33	0.06-0.09	-	LT: 0.06-0.22; RT: 0.05-0.24	-
Ovary length	0.21-0.36	0.21-0.28	0.26	0.06-0.10	-	0.12-0.17	0.11-0.16
Ovary width	-	0.15-0.20	0.33	0.04-0.11	-	0.12-0.17	0.13-0.21
Eggs length	0.031-0.036	0.024-0.030	0.02	0.027-0.034	0.041-0.045	0.030-0.038	0.05-0.06
Eggs width	0.020	0.013-0.017	0.03	0.016-0.020	0.018-0.022	0.013-0.019	0.033-0.039

Species	Dicrocoelium dendriticum	Lyperosomum intermedium	Platynosomum illiciens	Platynosomum minutum	Yungasicola travassosi	Zonorchis komareki	Zonorchis oxymycterae ^c
Author	(Rudolphi 1819) Looss 1899	Denton & Kinsella 1972	(Braun 1901) Kossak 1910	Kifune & Uyema 1982	Gardner & Pérez-Ponce de Léon 2002	(McIntosh 1939) Travassos 1944	Sutton 1983
Reference	Martino et al. 2012	Denton & Kinsella 1972	Pinto et al. 2016	Kifune & Uyema 1982	Gardner & Pérez-Ponce de Léon 2002	McIntosch 1939	Sutton 1983, Guerreiro Martins et al. 2019a
Synonymous	Distoma dendriticum,	-	Eurytrema fastosum, Platynosomum fastosum, P. concinnum	-	-	Eurytrema komareki	Skrjabinus oxymycterae
Host species	Myocastor coypus (Myocastoridae)	Oryzomys palustris (Cricetidae)	Mus musculus (Muridae)	Proechimys longicaudatus (Echimyidae)	Akodon fumeus (Cricetidae)	Peromyscus gossypinus (Cricetidae)	Akodon azarae; Oxymycterus rufus (Cricetidae)
Country	Argentina	United State	Brazil	Peru	Bolivia	United State	Argentina
Site of infection	Liver	Pancreas	Bile duct	Bile duct, gall bladder	Gall bladder and bile ducts	Liver	Bile duct and small intestine
Body length	5.00-12.00	1.65-4.20	2.23-4.98	1.88-2.74	1.97-3.33	2.82	1.77-3.68
Body width	1.00-2.50	0.33-0.42	0.86-1.72	0.58-0.86	0.71-1.45	0.80	0.66-0.78
Oral sucker diameter max	0.40	0.13-0.15	0.24-0.42	0.23-0.28	0.21-0.34	0.20	0.19-0.29
Oral sucker diameter min	0.30	0.12-0.14	0.24-0.35	0.22-0.26	0.19-0.36	0.20	0.13-0.24
Ventral sucker diameter max	0.45	0.21	0.20-0.43	0.27-0.34	0.19-0.34	0.37	0.49-0.66
Ventral sucker diameter min	0.40	0.16	0.24-0.39	0.27-0.34	0.18-0.34	0.32	0.49-0.61
Cirrus sac length	0.50-0.60	0.11-0.15	0.28-0.48	-	0.10-0.28	-	-
Cirrus sac width	-	0.05-0.65	0.10-0.17	-	0.02-0.07	-	-
Pharynx length	0.13	0.07	0.08-0.15	-	0.09-0.16	0.10	0.12-0.16
Pharynx width	0.12	0.06	0.07-0.14	-	0.07-0.14	0.10	0.13-0.16
Testes length	1.00	0.24	LT: 0.34-0.88; RT: 0.35-0.89	-	LT: 0.11-0.23; RT: 0.09-0.21	0.09-0.20	0.14-0.18
Testes width	0.70	0.11	LT: 0.24-0.58; RT: 0.23-0.54	-	LT: 0.09-0.19; RT: 0.11-0.18	0.09-0.20	0.16-0.19
Ovary length	0.25	0.06-0.14	0.10-0.29	-	0.05-0.13	0.13-0.14	0.11-0.14
Ovary width	0.35	0.07-0.15	0.17-0.39	-	0.62-0.13	0.13-0.14	0.11-0.16
Eggs length	0.038-0.045	0.04-0.05	-	0.03-0.04	0.019-0.031	0.030	0.02
Eggs width	0.022-0.030	0.02-0.027	-	0.02	0.012-0.020	0.023	0.02-0.04

Species	Platynosomoides muris	Platynosomoides verschureni	Platynosomoides lunaschiae sp. nov.
Author	(Stcherbakova 1942)	(Baer 1959)	This paper
Species hosts	Apodemus sylvaticus; Leopoldamys siporanus (Muridae)	Crocidura olivieri (Soricidae)	Akodon montensis (Cricetidae)
Country	Armenia; Russia; Malaysia	Democratic Republic of the Congo	Argentina
Continent	Asia	Africa	America
Site of infection	Liver	Bile duct	Bile duct
Body length	3.27-3.41	3.00-4.50	2.18 ± 0.33 (1.79-2.84)
Body width	1.22-1.80	0.71-0.90	1.16 ± 0.21 (0.92-1.59)
Oral sucker diameter max	0.23-0.27	0.25	0.31 ± 0.05 (0.19-0.39)
Oral sucker diameter min	0.22	0.23	0.29 ± 0.06 (0.21-0.38)
Ventral sucker diameter max	0.28	0.39-0.41	0.38 ± 0.06 (0.29-0.48)
Ventral sucker diameter min	0.25	-	0.34 ± 0.06 (0.23-0.44)
Cirrus sac length	0.23-0.28	0.23-0.26	0.22
Cirrus sac width	-	0.06-0.14	0.10
Pharynx length	-	0.14-0.15	0.13 ± 0.01 (0.11-0.15)
Pharynx width	-	0.12-0.14	0.12 ± 0.01 (0.09-0.13)
Right testis length	0.24-0.41	0.32	0.16 ± 0.03 (0.07-0.20)
Left testis length	0.24-0.41	0.32	0.14 ± 0.03 (0.06-0.18)
Right testis width	0.25-0.36	0.23	0.15 ± 0.03 (0.06-0.18)
Left testis width	0.25-0.36	0.23	0.13 ± 0.02 (0.05-0.15)
Ovary length	0.16-0.18	-	0.14 ± 0.03 (0.11-0.20)
Ovary width	0.23-0.24	0.18	0.12 ± 0.02 (0.09-0.18)
Eggs length	0.030-0.035	0.032-0.034	0.032 ± 0.001 (0.029-0.034)
Eggs width	0.018-0.020	0.018-0.021	0.017 ± 0.002 (0.014-0.020)

vertical_align_top show_chart

more_horiz close
- image
- translate
- link
- article
- vertical_align_top
- file_download
- show_chart
- image
- translate
- link
- article

location_on

Academia Brasileira de Ciências Rua Anfilófio de Carvalho, 29, 3º andar, 20030-060 Rio de Janeiro RJ Brasil, Tel: +55 21 3907-8100 - Rio de Janeiro - RJ - Brazil
E-mail: aabc@abc.org.br

rss_feed Acompanhe os números deste periódico no seu leitor de RSS

Reportar erro