Three new species of earthworms belonging to the genera Amynthas and Metaphire (Oligochaeta: Megascolecidae) from Yunnanı China Author Yuan, Zhu Author Dong, Yan Author Jiang, Jibao Author Qiu, Jiangping text Journal of Natural History 2019 2019-10-28 53 31 1961 1974 journal article 24130 10.1080/00222933.2019.1680760 959b13ea-8bec-4b77-b018-e50130773cf3 1464-5262 3654511

Table 2. A comparison of characters of Amynthas hiatus sp. nov., Amynthas robustus (Perrier, 1872), Amynthas triastriatus (Chen, 1946).

Character	A. hiatus sp. nov.	A. robustus	A. triastriatus
Body length * width (mm)	156*5.5	113-244* 5.6–7.5	110*7
Pigment
Porsum	Puce	Light red or reddish brown	Grey
Ventrum	No pigment	Reddish white	Pale
First dorsal pore	12/13	11/12	10/11
Setal number in segment
Between male pores	9	15-21	12
Between spermathecal		46-55(VIII)	17(IX)
pores
Spermathecal pores	Two pairs, in 7/8-8/9, ventral, about 0.33 circumference	Two pairs, in 7/8-8/9, genital papillae paired in	Two pairs, in 7/8-8/9, about 1/3 of their ventral
	ventrally apart from each other, the pores minimum	spermathecal pore and/or pre-setal in VIII-	circumference, pimple-like papillae usually
		XIX, slightly medial to spermathecal pores	present,one in front and another behind each
			pore but more ventral
Male pores	About 1/3 circumference ventrally apart from each other,	A raised papilla with one or two similar papillae	About 1/3 of their ventral circumference, each
	each on top of a lager raised pulvinate pad,	around it, surrounded by several circular	on a round papilla two similar ones on its
	surrounded with four circular folds	folds, one or two additional pre-setal papillae	median side, pore papilla larger and with
		medio-ventral in XVIII	lateral wrinkled skin
Intestinal caeca	From XXVI or XXVII to XXIII or XXIV, between simple and	From XXVI or XXVII to XXIII or XXIV, simple	From XXVII to XXIII, simple, smooth on both side
complex
Spermathecae	Ampulla heart-shaped, ampulla duct thick and short, the	Ampulla large, round or oval, stalk stout,	Ampulla heart-shaped, large, ampulla duct wide,
	length about 2/5 of the ampulla. Diverticulum as long	straight, shorter than ampulla. Diverticulum	slightly shorter. Diverticulum longer than
	as the main pouch (duct and ampulla together),	long, stalk slender, looped, seminal chamber	main pouch, accessory gland similar in
	terminal 1/3 dilated into an ovoid seminal chamber	rod-shaped	character
Prostate glands	In XVI-XIX, moderately developed, thick, massive leaf	In XVIII, racemose	Totally absent
composition
Accessory glands near	Invisible	Invisible	Round and rough on surface, each with chord-
prostates			like ductule