Guerrerostrongylus marginalis n. sp. (Trichostrongyloidea: Heligmonellidae) from the Guianan arboreal mouse (Oecomys auyantepui) from French Guiana

Open Access

Table 1.

Comparative measurements of diagnostic traits for males in Guerrerostrongylus Sutton and Durette-Desset, 1991. For G. marginalis the range is followed by measurements of the type. Values in parentheses include structures measured in three paratypes of G. gomesae. All measurements are in μm.

	G. marginalis present work	G. uruguayensis Sutton & Durette-Desset, 1991	G. gomesae Simões, dos Santos, Maldonado, 2012	G. ulysi Digiani, Notarnicola, Navone, 2012	G. zetta (Travassos, 1937)	G. zetta paratypes (Simões et al. 2012)	G. zetta Argentina (Digiani et al. 2012)
Males	Range, holotype
Body length	4,156–6,741, 6,181	9,150	4,524–7,240	5,350–8,320	6,400	4,280–6,900	4,400–8,400
Maximum width	151–266, 195	275	150–210	130–180	150	80–180	140–290
No. of ridges in midbody synlophe	36–44	40–45	35–46	42–44		36–42	40–44
Cephalic vesicle
Length	44–89, 65	60	40–61	60–72	45–52	40–73	35–70
Width	33–74, 40	60	30–60	40–50		20–56	30–60
Distance from anterior end to:
Nerve ring	174–388, 176	210	147–177	165–240		70–233	190–295
Excretory pore	139–282, 233	325	300–310	250–340	200	229–633	250–345
Deirids	178–393, 239	340	300–360	280–330			250–381
Esophagus length	320–419, 338	500	310–360	380–450	340–470	340–716	345–495
Corpus width	23–54, 23				37–45
Right spicule	544–829, 717	1,110	310–560	455–665	877	580–1,160	750–1,420
Left spicule	545–825, 735
Gubernaculum
Length	21–39, 28	19.6	10–30	25–32		21–47	28–40
Width	13–24, 18	10	10–21	15–15		10–20	15–25
Genital cone
Length	51–91, 71	14.5	45–93	40–65		40–70
Width	34–95, 72	9	43–63	35–45		20–66
Females	Range, allotype
Body length	5.070–12,417; 6,961	12,900	6,700–8,440	5,500–13,100	6,800–7,300	5060–12,670	5,500–13,700
Maximum width	129–432, 228	300	140–320	110–250	140–150	100–320	100–290
No. of ridges in midbody synlophe	36–45	44–46	40–48	40–46		38–42	35–48
Cephalic vesicle
Length	50–97, 74	75	37–62	50–72		40–74	35–65
Width	38–89, 48	40	33–52	35–50		36–67	35–60
Distance from anterior end to:
Nerve ring	154–254, 154	240	160–210	145–200		100–250	130–285
Excretory pore	156–389, 298	380	300–403	235–310		221–402	345–380
Deirids	207–402, 307	400	310–350	245–320			235–275
Esophagus length	303–468, 378	580	318–415	370–550		292–437	350–500
Corpus width’	29–75, 38
Distance vulva – Posterior end	232–466, 306	200	250–422	110–250	112–135	105–233	112–255
Vagina	38–88, 36	25	32–47 (26–35)	15–30		23–60	15–25
Vestibule length	91–205, 158	350	27–50 (55–63)	100–160	210–225	170–230	160–310
Vestibule width	35–82, 60		(18–35)
Sphincter length	22–70, 42	80	8–14 (28–40)	40–50		50–60	40–65
Sphincter width	16–74, 38	65	38–45 (23–31)	40–50		33–63	40–80
Infundibulum	44–259, 197	300	22–41 (210–300)	160–240		150–340	160–315
Uterus	1,114–2,020; 1,498	2,500	906–1,363	600–2,800		1,350–2,540	800–1,560
Eggs in utero	70–201, 74	+200	48, 62	20–170		–	6–50
Eggs’ length	50–72		31–59	65–80	56–63	60–70	55–72
Eggs’ width	30–60		25–35	38–50	25–30	30–40	38–45
Tail	50–86, 74	75	45–78	40–50	43–45	43–97	40–100

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.