Description of five new and six known species of the genus Basirotyleptus Jairajpuri, 1964 (Nematoda: Dorylaimida: Tylencholaimoidea) from the Western Ghats, India Author Islam, Md Niraul A202F47B-7E49-43AE-A2EF-988E7E891AA9 Nematode Biodiversity Research Lab, Department of Zoology, Aligarh Muslim University, Aligarh- 202002, India. mnislam15@gmail.com Author Ahmad, Wasim 4A070AF3-8976-49F8-BBC1-497F1B3FB354 Nematode Biodiversity Research Lab, Department of Zoology, Aligarh Muslim University, Aligarh- 202002, India. ahmadwasim57@gmail.com text European Journal of Taxonomy 2022 2022-02-07 791 1 1 57 http://zoobank.org/2aedeba5-69c9-4630-b4be-c109b6b0d270 journal article 20745 10.5852/ejt.2022.791.1645 d21308fb-ff8b-4722-a9bd-6706515ab6d3 2118-9773 5999842 2AEDEBA5-69C9-4630-B4BE-C109B6B0D270

Table 12 (continued on next two pages). Morphometrics of species belonging to the genus Basirotyleptus Jairajpuri, 1964 (all measurements in µm, except L in mm). Abbreviations: GD = Geographical distribution; LRD = Lip region diameter; ODL = Odontostyle length; NL = Neck length; PBL = Pharyngeal bulb length; PRM = Prerectum length; Ref. = Reference; SPL = Spicules length; TL = Tail length; VMS = Ventromedian supplements.

Characters Species	n	L	a	b	c	c’	V	LRD	ODL	NL	PBL	PRM	TL	SPL	VMS	GD	Ref.
B. acus	11 ♀♀	0.50–0.63	19–26	4.2–5.8	42–75	–	31–41	8.0	8.0	96–128	22	–	6.0–11	–	–	Indiana	Goseco et al. 1974
	18 ♀♀	0.39–0.59	20–28	4.2–5.4	40–54	0.6–0.8	35–41	7.0–8.0	10–11.5	93–119	15–20	38–53	8.0–12	–	–	India	Present study
	28 ♀♀	0.49–0.62	20–29	4.6–6.1	49–68	–	36–41	8.0	9.0–13.2	–	–	–	8.0–12	–	–	Australia	Furstenberg 1980
B. basiri	20 ♀♀	0.50–0.58 21 –28		4.8–6.0	45–58	–	34–40	–	–	–	–	–	–	–	–	India	Jairajpuri 1964
	7 ♀♀	0.59–0.67	25–30	5.4–6.4	47–56	–	35–40	–	11–12	–	–	–	–	–	–	India	Siddiqi & Khan 1964
	3 ♀♀	0.68–0.71	29–30	6.3–6.5	58–61	0.9	35–37	8	13–14	117	14	–	12.5	–	–
	2 ♂♂	0.69–0.76	30	5.9–6.0	46–51	–	–	–	–	–	–	–	13	25–26	1	India	Siddiqi & Khan 1965
	12 ♀♀	0.42–0.58	25–30	4.5–6.0	42–56	–	34–40	–	9.6–10.5	–	–	–	9.0–11	–	–	Malaysia	Furstenberg 1980
	20 ♀♀	0.45–0.54	22–29	4.0–4.9	35–47	0.8–1.0	35–43	8.0–8.5	10–12	100–123	16–20	29–44	11–16	–	–
	1 ♂	0.49	28.2	4.9	33.9	1.0	–	8.5	10.5	99	17.5	31	14.5	20	1	India	Present study
B. barbarae	1 ♀	0.75	27	5. 3	88	0.5	42	6	6	140	33	–	10	–	–
	1 ♂	0.72	31	4.9	60	0.7	–	–	6	–	–	–	13	24	0	Colombia	Siddiqi 1982
B. caudatus	11 ♀♀	0.4–0.5	19–28	4.1–4.9	24–30	1.1	40–48	6	12	–	16	–	18	–	–	India	Jairajpuri 1966
	3 ♀♀	0.40–0.42	21–24	4.0–4.9	23–30	1.2–1.4	42–43	–	11–13	–	–	–	14–17	–	–	India	Baqri 1991
B. conicaudatus	2 ♀♀	0.42–0.44	21–22	4.3–4.4	25–27	1.2–1.3	55–58	8.0–8.5	9.5–10	97–101	14–15	37–41	15–17	–	–
	1♂	0.42	24.0	4.0	25.4	1.2	–	8.0	10	105	15	48	16.5	20	1	India	Present study
B. constrictus	9 ♀♀	0.38–0.49	22–26	3.6–4.6	24–30	1.1–1.4	51–56	8.0–8.5	9.0–10	103–112	16–19	30–43	15–18	–	–	India	Present study
B. coronatus	8 ♀♀	0.6–0.90	26–33	4.5–5.8	74–100 0.5		40–44	9	7	125	37	–	8	–	–	India	Siddiqi & Khan 1965
B. curvus	2 ♀♀	0.68–0.77	39–42	4.6–4.8	80–90	0.7	53–54	7	7	–	33	–	10	–	–
	3♂♂	0.7 –0.8	41–44	4.9–5.5	60–83	0.7–0.9	–	–	6.0–7.5	–	–	–	12	19–20	2	Colombia	Siddiqi 1982
B. deminutus	8 ♀♀	0.29–0.36	17–20	3.3–3.8	34–47	0.6–0.9	37–42	6	7.5–8.5	83–96	15–16.5	–	9	–	–	Cameroon	Siddiqi 1995
B. discinus	1 ♀	0.45	28	4.0	35	1.3	51.4	6.6	9.5	–	14	–	14	–	–
	1♂	0.45	28.5	4.2	28.5	1.4	–	–	9.0	–	15	–	15	19	1	Cameroon	Siddiqi 1995
B. ethiopicus	8 ♀♀	0.37–0.44	22–25	3.3–4.1	46–70	0.5–0.8	41–48	5.0	6.6	102	15	–	7	–	–	Malawi	Siddiqi 1970
	7 ♀♀	0.38–0.50	20–24	3.8–5.3	42–52	0.7–0.8	36–43	6.0–7.5	8.5–10.5	94–105	14–17	27–37	9–11	–	–	India	Present study
B. eximius	3 ♀♀	0.51–0.54	23–26	4.3–5.2	28–35	1.0	62–63	8.0	11–12	100	16	70	15	–	–	India	Siddiqi & Khan 1964
	2 ♀♀	0.51–0.54	25–26	4.7–5.3	25–26	–	60–63	–	11–12	–	–	–	–	–	–
	2 ♂♂	0.50–0.55	26–29	4.1–4.2	24–25	–	–	–	12	–	–	–	–	18–19	1	South Wales	Sauer 1966
B. goaensis	8 ♀♀	0.73–0.87	28–32	5.3–6.2	51–62	0.7–0.8	36–38	8.5–10	13–14.5	132–144	22–26	52–73	12–15	–	–	India	Present study
B. heynsi	31 ♀♀	0.45–0.51	18–28	4.4–6.2	19–27	1.4–2.2	56–63	–	10–12	–	–	42–69	18–27	–	–
	18 ♂♂	0.44–0.56	22–29	4.2–5.4	20–25	1.5–1.9	–	–	10–12	–	–	–	–	15–21	1	Australia	Furstenberg 1980
B. indicus	13 ♀♀	0.70–0.80	28–30	4.3–5.3	53–68	0.6–0.8	43–45	9.0	8.0–9.0	156–163	38	73–104 10–13		–	–	India	Dhanam & Jairajpuri 1999
B. lieberi	6 ♀♀	0.67–0.75	25–28	4.5–5.6	24–34	–	60–68	8.5	10	125–154	21	40–96	21–30	–	–
	4 ♂♂	0.63–0.75	28–31	5.0–5.8	28–36	–	–	–	–	118–149	–	–	21–24	24–28	1–2	Indiana	Goseco et al. 1974
	17 ♀♀	0.73–0.90	27–33	4.6–5.6	22–32	1.5–2.1	62–63	10–11	16–17	149–175	25–31	41–64	25–33	–	–	Spain	Peralta & Peña-Santiago 1996
B. longisaccus	3 ♀♀	0.50–0.58	22–24	4.3–4.4	63–77	0.5–0.6	49–52	8.0	10–12	–	21–23	–	10	–	–	Cameroon	Siddiqi 1995
B. minimus	11 ♀♀	0.47 –0.51	21–27	5.2–5.6	53–60	0.9	37–41	8.0	6–7	–	–	36–50	8–10	–	–	India	Jana & Baqri 1981
B. minutus	9 ♀♀	0.38 –0.51	23–39	3.8–6.2	29–50	–	32–42	5.0	10–14	–	16	–	12	–	–	India	Khan 1987
	2 ♀♀	0.44 –0.48	24	4.0–4.1	45–49	0.8	33–35	7.0	10	111–117	19–20	39–41	10	–	–	India	Present study
B. modestus	15 ♀♀	0.46 –0.53	22–26	4.7–5.9	42–44	0.7	36–43	6.0	10	98	13	–	10	–	–	India	Hussain & Khan 1968
B. nemoralis	7 ♀♀	0.41–0.57	27–33	3.8–4.2	45–58	1.0	43–50	5.0	7.0	–	18	–	9.0	–	–	India	Siddiqi 1970
B. neocaudatus	36 ♀♀	0.31–0.44	17–24	3.4–5.2	18–30	1.1–1.7	41–48	6.5–7.0	7.5–9.5	78–105	14–20	27–46	12–20	–	–
	1 ♂	0.41	21.3	3.9	23.7	1.0	–	7.0	9.5	105	15.5	61	15.5	20.5	2	India	Present study
B. nindei	21 ♀♀	0.38 –0.44	22–26	3.7–4.6	35–49	–	40–47	7.0	8.5–10	97	16	–	10.5	–	–	Malawi	Siddiqi 1970
	18 ♀♀	0.39 –0.44	19–25	3.5–4.5	30–38	1.0–1.2	39–45	6.0–7.0	9.0–10.5	97–113	15–19	24–37	11–13	–	–	India	Present study
B. penetrans	1 ♀	0.6	23	4.5	83	–	50	–	–	–	–	–		–
	1 ♂	0.6	22	3.8	40	–	–	–	–	–	–	–	–	–	2	Puerto Rico	Thorne 1964
	5 ♀♀	0.49 –0.60	23–29	4.0–5.0	61–94	–	50–52	6.4	10–11	102–128	16–18	41–51 6.4–8.0		–	–	Puerto Rico	Goseco et al. 1974
	3 ♀♀	0.44 –0.51	23–26	3.4–4.0	44–48	0.4–0.5	50–54	7.0	11–12	–	–	–	7	–	–	West Indies	Siddiqi 1997
B. pini	11 ♀♀	0.49 –0.62	22–26	4.3–4.9	45–53	0.7	35–38	7.0	13–15	123	20	–	13	–	–	India	Siddiqi & Khan 1965
	10 ♀♀	0.47–0.54	24–32	4.4–5.0	50–60	0.6–0.7	32–38	–	8.0–9.0	–	–	–	8.0–9.0	–	–	India	Baqri 1991
	18 ♀♀	0.45 –0.57	22–26	4.0–4.9	33–43	0.7–1.0	37–40	8.5–9.0	11.0–12.5	105–124	17–20	29–49	12–16	–	–	India	Present study
B. robustus	8 ♀♀	0.85 –1.0	25–31	5.3–7.5	56–107	0.4–0.6	41–46	7.0	7.5–8.5	–	–	–	17	–	–
	5 ♂♂	0.74–0.91	28–36	4.4–5.7	51–72	0.6–0.8	–	–	7.0–8.5	–	–	–	15	29–32	3	Colombia	Siddiqi 1982
B. rotundicaudatus	11 ♀♀	0.68 –0.98	25–37	5.0–6.0	42–47	0.6–0.8	39–44	–	10–15	–	–	60	–	–	–
	6 ♂♂	0.69–0.80	22–28	4.0–6.0	34–54	0.6–0.7	–	–	9–15	–	–	–	–	45	2	India	Khan 1987
B. rugosus	12 ♀♀	0.74 –0.89	26–33	5.2–6.3	43–57	1.0	51–56	9.0	19–21	–	17	–	14	–	–	South Wales	Sauer 1966
B. safiae	16 ♀♀	0.44 –0.59	23–27	3.8–4.9	47–67	0.6–0.8	42–47	–	10–11	110–124	18–22	33–78	8	–	–	West Indies	Siddiqi 1997
B. siddiqii	2 ♀♀	0.36	20–21	3.4–3.8	40	0.9	54–56	7.5	7.5–8.0	95–106	15–16	60–63	9.0	–	–	India	Present study
B. siremps	5 ♀♀	0.30 –0.39	20–26	3.5–4.0	30–43	1.2–1.7	47–53	6	7.5–8.5	75–92	13	–	12	–	–
	1 ♂	0.3	27.9	3.6	39	0.9	–	–	7.5	–	–	–	10	12.5	0	Colombia	Siddiqi 1995
B. soueastus	4 ♀♀	0.46–0.55	29–30	3.8–4.7	38–42	1.0	47–48	8	9–10	115–128	17–19	36–50	12–13	–	–	Malaysia	Ahmad & Jairajpuri 1979
B. striatus	1 ♀	0.50	25	4.3	42	–	40	–	–	–	–	–	–	–	–	Puerto Rico	Thorne 1964
	3 ♀♀	0.49–0.50	28–30	4.2–4.3	51–52	–	37–40	7	4.6	115	18	32–56	9.6	–	–	Puerto Rico	Goseco et al. 1974
B. syncheilus	8 ♀♀	0.36–0.43	22–26	3.4–4.0	34–53	0.9–1.1	52–57	5	9–10	110–119	19	–	12	–	–	Malaysia	Ahmad & Jairajpuri 1979
	2 ♂♂	0.41–0.43	21–28	3.7–3.8	41–44	1.0	–	–	8–10	–	–	–	–	15–16	0	Colombia	Siddiqi 1995
B. upicus	4 ♀♀	0.77–0.85	33–37	5.6–6.3	41–48	0.9–1.0	39–42	12	13–15	130–155	20–22	45–50	17–19	–	–
	4 ♂♂	0.73–0.82	33–36	5.7–6.0	40–48	0.9	–	–	13–14	127–135	–	–	17–19	29–30	2–3	India	Ahmad & Jairajpuri 1979
B. westralis	16 ♀♀	0.55–0.75	24–30	5.3–6.0	23–29	1.4–1.9	47–52	10	10–12	115	18	–	28	–	–
	8 ♂♂	0.54–0.64	24–29	4.9–5.6	23–26	–	–	–	10–11	–	–	–	25	22–25	0	Western Australia	Siddiqi 1970