This worked for me:
> library(biomaRt)
> listMarts(host = "parasite.wormbase.org")
biomart version
1 parasite_mart WBPS 19 Mart
> useMart(biomart = "parasite_mart", host = "parasite.wormbase.org")
> sessionInfo()
R version 4.3.0 (2023-04-21 ucrt)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows 11 x64 (build 22631)
Matrix products: default
locale:
[1] LC_COLLATE=English_United Kingdom.utf8 LC_CTYPE=English_United Kingdom.utf8 LC_MONETARY=English_United Kingdom.utf8 LC_NUMERIC=C
[5] LC_TIME=English_United Kingdom.utf8
time zone: Europe/London
tzcode source: internal
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] biomaRt_2.56.1
loaded via a namespace (and not attached):
[1] rappdirs_0.3.3 utf8_1.2.4 generics_0.1.3 bitops_1.0-7 xml2_1.3.5 RSQLite_2.3.7 stringi_1.7.12
[8] hms_1.1.3 digest_0.6.33 magrittr_2.0.3 fastmap_1.1.1 blob_1.2.4 progress_1.2.2 AnnotationDbi_1.62.2
[15] GenomeInfoDb_1.36.2 DBI_1.2.1 BiocManager_1.30.22 httr_1.4.7 purrr_1.0.2 fansi_1.0.6 XML_3.99-0.14
[22] Biostrings_2.68.1 cli_3.6.1 rlang_1.1.1 crayon_1.5.2 dbplyr_2.5.0 XVector_0.40.0 Biobase_2.60.0
[29] bit64_4.0.5 cachem_1.0.8 tools_4.3.0 memoise_2.0.1 dplyr_1.1.2 GenomeInfoDbData_1.2.10 filelock_1.0.3
[36] BiocGenerics_0.46.0 curl_5.2.0 vctrs_0.6.5 R6_2.5.1 png_0.1-8 stats4_4.3.0 lifecycle_1.0.4
[43] BiocFileCache_2.8.0 zlibbioc_1.46.0 KEGGREST_1.40.1 stringr_1.5.0 S4Vectors_0.38.1 IRanges_2.34.1 bit_4.0.5
[50] pkgconfig_2.0.3 pillar_1.9.0 glue_1.7.0 tibble_3.2.1 tidyselect_1.2.1 compiler_4.3.0 prettyunits_1.1.1
[57] RCurl_1.98-1.12