Infective larvae of Cercopithifilaria spp. (Nematoda: Onchocercidae) from hard ticks (Ixodidae) recovered from the Japanese serow (Bovidae)

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Table 1.

Measurements of infective larvae of Cercopithifilaria spp. recovered from hard ticks collected from the Japanese serow, Capricornis crispus.

Specimen no.	1	2	3	4	5	6	7	8	9	10	11
Body length	1,370	1,280	1,120	1,307	1,250	1,340	970	940	1,270	1,190	1,091
Body width (maximum)	21	18	20	24	21	19	22	20	15	18	18
Nerve ring from head	76	77	72	82	65	73	78	60	75	72	86
Excretory pore from head	120	124	110	136	ND	104	110	ND	105	108	ND
Oesophagus length	375	380	292	267	350	330	284	272	330	267	333
Oesophagus/body length (%)	27.4	29.7	26.1	20.4	28.0	24.6	29.3	28.9	26.0	22.4	30.5
Muscular oesophagus length	122	181	138	155	100	150	132	90	138	140	151
Tail length	56	50	69	52	52	57	60	75	75	57	52
Tail/body length (%)	4.1	3.9	6.2	4.0	4.2	4.3	6.2	8.0	5.9	4.8	4.8
Width at anus	15	15	16	15	15	18	16	18	14	14	15
Tail length/width at anus	3.7	3.3	4.3	3.5	3.5	3.2	3.8	4.2	5.4	4.1	3.5
Genital primordium from head	276*	207*	408**	ND	ND	ND	ND	ND	ND	190*	ND
Type of tail tip	A	A	A	A	B	C	C	D	D	E	E
Tick species	H. flava**	H. flava**	H. flava**	H. japonica*	H. flava**	H. flava**	H. flava**	H. flava*	H. japonica***	H. flava**	H. flava*
Incubation period (days)	42	42	42	47	42	42	74	52	54	73	52
Tick ID no.	Y23	Y23	Y23	Y15	Y23	Y23	Y21	Y16	Y18	Y20	Y16
Serow ID no.	YA1	YA1	YA1	YA27	YA1	YA1	YA2	YA5	YA26	YA2	YA5

*Female, **male, ***nymph, ND: not determined, H: Haemaphysalis. All measurements in micrometres.

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