日本産昆虫に寄生する簇虫について(III)
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概要
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1.Steinina sphaerospora n. sp. Host: Tenebrio picipes HERBST, Location: Hikari, Yamaguti Prefecture, Habitat: Intestine. Sporonts solitary, obese, body curved to one side. Maximum length 240μ, average length 180μ and maximum width 120μ. LP:TL=1:2.8-4.5, WP:WD=1:1.0-1.2. Protomerite dome-shaped, widest at base, with a conical anterior extremity. Slight constriction at septum. Deutomerite, curved, horn-shaped, widest at shoulder, tapering gradually and ending in a sharply pointed extremity. Epimerite small, spherical, flattened, with short stalk, 5-7μ in length. Endocyte dense, with large and coarse granules in deutomerite, lighter in protomerite and transparent in anterior half. Nucleus spherical, 23μ in diameter, with 1 to 2 irregular karyosomes attached to the nuclear membrane. Cysts ovoidal to spherical, 100-140μ in diameter, dehiscence by simple rupture, spores spherical, 11μ in diameter, with one large spherical residual body and 8 sporozoites. 2.Gregarina platycephala n. sp. Host: Tencbrio picipes HERBST, Location: Hikari, Habitat: Intestine. Sporonts biassociative, elongate, cylindrical, maximum length of association 1050μ. Maximum individual of primite 600μ in length, 130μ in width. Ratio LP:TL=1:5-7, WP:WD=1:1.1-2.0(primite), LP:TL=1:4-7, WP:WD=1:1.4-1.7(satellite). Primite-Protomerite flattened in abult, twice as wide as high, but in young cylindrical, dilated slightly at anterior end. Constriction at septum. Deutomerite elongate, width gradually increases from septum, widest little above end, terminates in a very broadly rounded extremity. Satellite-Protomerite wider than high, widest at middle. Constriction at spetum. Deutomerite like that of primite, well rounded at end. Generally a small conical projection situates at the center of the end. Endocyte not dense, pale brown in deutomerite but reddish orange in protomerite. Nucleus spherical, 25μ in diameter, with one large karyosome. Cysts spherical, 250-320μ in diameter. Spore ducts 6 to 7. Spores extruded in chains, spores ellipsoidal, 5×3μ. 3.Gregarina plesiophthalmi n. sp. Host: Plesiophthalmus nigrocyaneus MOTSCHULSKY, Location: Marihu and Ogo Yamaguti Prefecture, Habitat: Intestine. Sporonts biassociative, egg shaped. Maximum association measured 519μ in length, individuals averaged 220μ in length and 70μ in width. Ratio LP:TL=1:3.6-5.0, WP:WD=1:1.4-1.6(primite), LP:TL=1:5.3-7.3, WP:WD=1:1.4-1.6(satellite). Primite-Protomerite subspherical, well rounded at apex, 1.4 to 1.5 times as broad as high, widest at anterior from the septum. Constriction at septum. Deutomerite ovoidal, widens gradually to a posterior end, broadly rounded in extremity. The interlocking device between primite and satellite is deep and well developed. A thin discoidal plate is seen at the anterior end of the satellite. Satellite-Protomerite short and broad, widest at base. No constriction at septum. Deutomerite obovoid widest at about 1/3 posterior region from septum, but suddenly constricted near the end. The end is blunt. Endocyte dense, pale brown in color. Nucleus spherical, 25μ in average diameter, with several karyosomes. Epimerite small cone, projected from concaved anterior center of protomerite. Cysts spherical 250μ in average diameter, transparent envelope 50-60μ in thickness. Spore ducts 7-10, length about 70μ. Spores extruded in chains, spores barrel-shaped, 5×3.5μ.
- 社団法人日本動物学会の論文
- 1952-09-15
著者
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