东北长足大蚜属三新种(同翅目:蚜总科)

THREE NEW SPECIES OF CINARA FROM NORTHEAST CHINA (HOMOPTERA: APHIDOIDEA)

本文记述东北地区红松 Pinus koraiensis Hakai上的小居松大蚜 Cinara minoripinihabitans Zhang,sp.nov.及红松大蚜 Cinara pinikoraiensis Zhang,sp.nov.,以及油松 Pinus tabulaeformis Carr.上的油松大蚜 Cinara pinitabulaeformis Zhang et Zhong,sp.nov.共三新种。

In the present paper 3 new species of Cinara Curtis are described. Type specimens are deposited in the Istitute of Zoology, Academia Sinica, Beijing. Cinara minoripinihabitana Zhang sp. nov. (fig. 1)Differs from the closely related Cinara pinihabitans (Mordvilko, 1895) in the following features: Body with a thick layer of powder; dorsal of head and thorax pale without pigment, legs black (most pale in pinihabitans), antenna dark (pale on basal half of segments Ⅲ and Ⅳ in the latter), antennal segment Ⅲ without any scnsoria, Ⅲ-Ⅵ in proportion of 100: 31: 72: 69-17 (100: 42: 50: 25 + 7 in the latter).Data Number of setae: abd. seg. Ⅷ 20, cauda 44, anal plate 76, antennal seg. Ⅰ 10, Ⅱ 9, Ⅲ 17, Ⅳ 5, Ⅴ 10-16, Ⅵ 7-9 + 2 or 3, rostr. seg. Ⅳ 6, tarsal seg. Ⅰ 7-9. Seneoria on ant. seg. Ⅲ 0, Ⅳ 0-1, Ⅴ 0-1 = 1. Length or width (mm): body length 2.355, antenna 0.824, seg. Ⅰ 0.063, Ⅱ 0.055, Ⅲ 0.244, Ⅳ 0.076, Ⅴ 0.176, Ⅵ 0.168 + 0.042, setae on Ⅲ 0.109; basal width of siph. 0.255 and apical width 0.359; basal width of cauda 0.269; length of dorsal setae 0.143-0.176 and setae on hind tibia 0.202; length of hind femur 0.706 and hind tibia 1.033; hind tarsus: basal width of seg. Ⅰ 0.037, dorsal length 0.017, ventral length 0.071, and length of seg. Ⅱ 0.214; rostral seg. Ⅳ 0.134, Ⅴ 0.063.Holotype, apterous viviparous female, no. 6426, July 25, 1976, Harbin City (45°N, 126°E), Heilongjiang Province, China, on Pinus koraiensis Hakai, Coll. Zhang Guang-xue and Zhong Tie-sen.Cinara pinikoraiensis Zhang, sp. nov.(fig. 2)May be distinguished from the very closely related Cinara orientalii Takahashi, 1925 by rostrum reaching abdominal segment Ⅵ and by tibia dark; from Cinara shinji Inouye, 1938 by antennal segment Ⅲ much longer than Ⅳ and Ⅴ togather and with 16-22 sensoria; from Cinara acutrirostris Hille Ris Lambers, 1956 by rostral segment Ⅳ with 24 secondary setae, antennal segment Ⅱ with 12-14 setae, basal part of Ⅵ with 18-21, sub-apical of processus terminalis with 6 or 7; from Cinara cembrae Seitner, 1936 by thorax without mesosternal tubercle. Data Number of setae: abd. seg. Ⅷ 56-84, cauda 35-38, anal plate 70-98, antennal segment Ⅰ 12-19, Ⅱ 12-14, Ⅲ 49-96, Ⅳ 17-24, Ⅴ 31-46, Ⅵ 12-21 + 6 or 7, rostral scg. Ⅳ 24, tarsal seg. Ⅰ 17-19. Sensoria on antennal seg. Ⅲ 1-3, Ⅳ 2 or 3, Ⅴ 1-3 + 1. Length or width (mm): body length 3.507, antenna 1.496, antennal seg. Ⅰ 0.114, Ⅱ 0.092, Ⅲ 0.574, Ⅳ 0.221, Ⅴ 0.296, Ⅵ 0.144 + 0.055, setae on seg. Ⅲ 0.084, basal width of siphon. 0.353, apical width of siphon. 0.099, basal width of cauda 0.190, length of dorsal setae 0.092-0.122 and setae on tibia 0.077, length of hind femur 1.487 arid tibia 2.512; hind tarsus: basal width of seg. Ⅰ 0.045, dorsal length 0.031, ventral length 0.101 and length of seg. Ⅱ 0.229; rostral seg. Ⅳ 0.357, Ⅴ 0.084. Holotype, apterous viviparous female, no. Y2218, May and Oct., 1981, Xinmin County (41°N, 122°E) Liaoning Province, China, Coll. Liu Xi-ya; partypes, 2 apterous viviparous females, 5 alate apterous viviparous females, 28 larvae, 5 sexual females and 5 males, ao. 4907, April 22,1984, Dandong Cky (40°N, 124°E), Liaoning Province, China, Coll. Zhang Gu-ang-xue and Liu li-juan, no. Y2218 same as holotype, no. Y348, April 8, 1963, Harbin City, 45°N, 126°E, Heilonjiang Province, China, Coll. Fang San-yang. All from on Pinus koraiensis Hakai.Cinara pinitabulaeformis Zhang et Zheng sp. nov. (fig. 3)May be separated from the very similar Cinara calijornica Hottes et Essig, 1953 by meso-sternal furca without a stem, body 5.1 mm long (3.1 in calijornica), antennal segment Ⅲ-Ⅵ in proportion 100: 43: 43: 21 + 7 (100: 40: 57: 32 + 14 in latter), rostrum reaching abdominal segment Ⅲ or Ⅳ(Ⅱ in latter); from Ginara pinikoraiensis Zhang sp. nov. by body larger, with lesser dorsal setae and without scleroites at base of it, antennal segments Ⅲ-Ⅵ in different proportion (100: 39: 52: 25: 10 in pinikoraiensis), rostral segments Ⅳ + Ⅴ as long as 2nd segment of hind tarsus (1.6X in the latter), with 6 secondary setae (24 in