@article{fdi:010076184, title = {{N}ew species of {S}ynodontella ({M}onogenea, {A}ncyrocephalidae) gill parasites of two {S}ynodontis spp. ({P}isces, {M}ochokidae) from the {B}oumba {R}iver ({C}ongo {B}asin, {E}ast {C}ameroon)}, author = {{M}bondo, {J}. {A}. and {N}ack, {J}. and {N}yom, {A}. {R}. {B}. and {P}ariselle, {A}ntoine and {B}ilong, {C}. {F}. {B}.}, editor = {}, language = {{ENG}}, abstract = {{T}hree new species of {S}ynodontella {D}ossou & {E}uzet, 1993 are described from two species of {S}ynodontis ({M}ochokidae) collected from the middle course of the {B}oumba {R}iver ({E}ast {C}ameroon): {S}ynodontella angustupenis n. sp. from {S}ynodontis nummifer, {S}ynodontella longipenis n. sp. and {S}ynodontella simplex n. sp. from {S}ynodontis decorus. {T}hese new species are different from the other {S}ynodontella species already described due to their horseshoe-shaped dorsal transverse bars. {S}ynodontella angustupenis differs from {S}. longipenis and {S}. simplex by the morphology of its penis, a thin tube, and its accessory piece, bifid at its extremity. {S}ynodontella longipenis differs from the other two species by the morphology and the size of its male copulatory organ, which is very long. {S}ynodontella simplex differs from {S}. angustupenis and {S}. longipenis by the shape of its penis, which is simple, and of its accessory piece, with a developed heel. {T}he difference between the dorsal transverse bars of {S}ynodontella species from the {S}anaga {R}iver in {C}ameroon (and other localities in {A}frica), slightly curved, and those from the {B}oumba {R}iver, horseshoe-shaped, makes it possible to separate {S}ynodontella species into two different subgroups. {T}his difference can be explained by a long isolation period of the hosts, living in different river basins, followed by the divergence of the parasite populations (vicariant speciation).}, keywords = {{S}ynodontella angustupenis n. sp. ; {S}ynodontella simplex n. sp. ; {S}ynodontella longipenis n. sp. ; {S}ynodontis ; {S}iluriformes ; {A}frica ; {CAMEROUN} ; {CONGO} {BASSIN}}, booktitle = {}, journal = {{P}arasite}, volume = {26}, numero = {}, pages = {art. 37 [8 p.]}, ISSN = {1252-607{X}}, year = {2019}, DOI = {10.1051/parasite/2019037}, URL = {https://www.documentation.ird.fr/hor/fdi:010076184}, }