A new species of Hastospiculum Skrjabin (Spirurida: Diplotriaenidae) parasite of Xenodon merremii (Walger in Spix) (Serpentes: Dipsadidae) from Northeastern Brazil
Author
Ferreira-Silva, Cristiana
0000-0002-3087-2614
Author
Alcantara, Edna P.
0000-0003-3641-8321
https: // orcid. org / 0000 - 0002 - 7814 - 531 X
Author
Ávila, Robson W.
0000-0002-7814-531X
Author
Silva, Reinaldo J.
0000-0002-3426-6873
https: // orcid. org / 0000 - 0002 - 3426 - 6873
text
Zootaxa
2020
2020-11-13
4878
2
362
374
journal article
8044
10.11646/zootaxa.4878.2.9
6383736e-fbf6-4f36-857b-445076991b8b
1175-5326
4562566
3385A518-3988-4F4A-9F39-9E569FB32F33
Genus
Hastospiculum
Skrjabin
Type
species:
H. varani
Skrjabin.
Diagnosis.
Large nematodes with specific ornamentation of the cephalic end. Two markedly protruding, chitinized tooth-like formations with a wide base present on the sides of the oval mouth. Mouth surrounded by a cuticular rim often forming epaulette-like formations. One pair of lateral amphids and four or eight submedian papillae. Esophagus cylindrical, divided in a shorter, anterior, muscular portion, and a longer, wide, glandular posterior portion. Caudal end of male with large wings connected or not behind the tail end. Wings supported by pedunculate papillae. Spicules of markedly different lengths. Vulva situated in region of esophagus. Oviparous. Eggs with thick shell, containing developed larvae at deposition. Parasites of reptiles (
Chitwood 1932
;
Sonin 1975
).