Parasacculina shiinoi (Lützen, Itani, Jespersen, Hong, Rees & Glenner, 2016)

Jung, Jibom & Park, Joong-Ki, 2024, Positive association between PTN polymorphisms and schizophrenia in Northeast Chinese Han population., Zoological Studies 63 (1), pp. 141-149 : 7

Parasacculina shiinoi ( Lützen, Itani, Jespersen,

Hong, Rees & Glenner, 2016) (see Jung et al. 2021)

Additional materials examined: on Upogebia major : 1 individual, Namhae, 34 ° 52 '40.83 "N 127°56'43.61"E, 26 Sep. 2021, collected by Jung J., Korea 56.

Host species: U. major (Gebiidea; Upogebiidae ).

Diagnosis: Whole externa single, smooth, and irregular oval shape with a shallow median groove on dorsal margin. Mantle aperture vestigial and vertically large circular opening with radiated ridges at the extremity.

Parasacculina yatsui ( Boschma, 1936) ( Fig. 2F , see Jung et al. 2021)

Additional materials examined: on Cyclograpsus intermedius : 1 individual, Ulleung, 37°28'32.4"N, 130°53'51.5"E, 19 Sep. 2019, collected by Jung J., Korearr40.

On Hemigrapsus penicillatus : 1 individual, Goseong, 38°16'11.5"N, 128°33'27.2"E, 26 Sep. 2021, collected by Jung J., GS12, host: ò, carapace length 20 mm; 1 individual, Gangneung, 37°44'04.3"N, 128°59'25.8"E, 23 Oct. 2021, collected by Jung J., Korearr10. On Hemigrapsus sanguineus : 1 individual, Goheung, 34°30'22.2"N, 127°28'56.0"E, 9 Oct. 2022, collected by Jung J., KoreaN14; 1 individual, Goseong, 38°27'01.3"N, 128°28'03.9"E, 25 Sep. 2021, collected by Jung J., Korea 71, host: ñ, carapace length 19 mm; 1 ind, Tongyeong, 34°38'24.9"N, 128°34'06.1"E, 19 Aug. 2019, collected by Jung J., Korea 39, host: ò, carapace length 14 mm. On P. crassipes : 1 individual, Yeongdeok, 36°16'22.0"N, 129°22'44.3"E, 29 Aug. 2021, collected by Jung J., Korea 72, host: ñ, carapace length 22 mm; 1 individual, Gangneung, 37°44'04.3"N, 128°59'25.8"E, 23 Oct. 2021, collected by Jung J., Korearr9; 1 individual, Samcheok, 37°12'50.5"N, 129°20'46.5"E, 19 May 2022, collected by Jung J., Korearr25; 1 individual, Jeju, 33°30'57.3"N, 126°30'38.5"E, 23 Aug. 2022, collected by Jung J., Koreakr9.

Host species: P. crassipes (Brachyura; Grapsidae ), H. sanguineus , H. penicillatus , C. intermedius (Brachyura; Varunidae ).

Parasacculina oblonga ( Lützen & Yamaguchi, 1999) (Korean name: Bi-Dan-Ge-Yeop-Ju-Meo-Ni-Beol-Rae) ( Fig. 2G )

Material examined: on C. intermedius : 1 individual, Ulleung, 37°28'32.4"N, 130°53'51.5"E, 3 June 2021, collected by Jung J., DSEVIV0000000050 host: ñ, carapace length 12 mm; 1 individual, Ulleung, 37°28'32.4"N, 130°53'51.5"E, 3 June 2021, collected by Jung J., DSEVIV0000000051, host: ñ, carapace length 12 mm; 1 individual, Ulleung, 37°28'32.4"N, 130°53'51.5"E, 19 Sep. 2019, collected by Jung J., DSEVIV0000000054; 1 individual, Ulleung, 37°30'49.9"N, 130°47'45.0"E, 18 Sep. 2019, collected by Jung J., DSEVIV0000000055; 1 individual, Ulleung, 37°30'49.9"N, 130°47'45.0"E, 18 Sep. 2019, collected by Jung J., DSEVIV0000000056, host: ò, carapace length 14 mm.

Host species: C. intermedius (Brachyura; Varunidae ).

Distribution: Japan (type locality), Korea.

Diagnosis: Whole externa single, smooth or slightly wrinkled, and oval in shape. Mantle aperture large, elevated, and vertically Y-shape opening at the extremity.

Figures

Fig. 2. Externae of Korean rhizocephalans in this study. Blue arrow: mantle aperture, scale bar: 2 mm for H and J, 1mm for A-G, I, K, L. A, Peltogasterella gracilis; B, Peltogasterella sp.; C, Peltogaster sp. 1; D, Parasacculina imberbis; E, Parasacculina pilosella; F, Parasacculina yatsui; G, Parasacculina oblonga; H, Parasacculina sp. 1; I, Polyascus cf. gregarius; J, Heterosaccus papillosus; K, Sacculina angulata; L, Sacculina gracilis. Externae of C and H are incomplete, because they were sampled for molecular analysis.