【摘要】 <正> 潜蚤又名砂蚤(Sand flea,chigoe jigger)。盲潜蚤 Tunga caecigena Jord.et Roths,1921,是寄生于鼠耳的一种跳蚤,过去列入缩胸蚤科 Hectopsyllidae,近年来 Jordan氏将本属提升为科,其分类地位现为蚤上科 Super family pulicoidea,潜蚤科 Family Tun-gidae,潜蚤亚科 Subfamily Tunginae,潜蚤属Genus Tunga。更多还原

【Abstract】 1.This article serves as a first report on the discovery of a male sand flea T.caecigena(Jord. et Roths.) in China and a brief morphological description of variousparts is given. 2.The morphological characteristics of T. caecigena are as follows: (1) Body length: 0.97 mm. (2) Head: Maxillary palp and maxillary lacinia of equal length. Occiputal bri-stle 8--9. (3) Hind tibia length: 0.28 mm. (4) Reproductive organ: With a peculiar clasper like that of crab’s pincers,narrow, short and stout, with processes and manubrium of equal length. The greaterpart of the phallosame, which is in the form of elbow eaposes outside of the body,and therofore easily found. 3.This male flea of the species of Tunga generally leads a free life, but thespecimen here raported, was collected among the hair of a house--rat’s (Rattus rattus)ear. 4.Besides the raproductive organ, the differences between the male and femaleof this species are as follows: (1)Body length: Male flea has a longer body lengh than that of the unpreg-ment female. (2)Maxillary palp: According to Hopkin’s and Rothschild: the 4th segmentof female flea maxillary palp being twice that of the 2nd segment. But with ourmale specimen the length of the 4th segment is comparatively less. (3)Hind tibia: The hind tibia of the male are a little more developed thanthose of the female ones. (4)Spiracles of abdominal segments: The size of the female spiracles on 2ndto 4th abdominal segment is much smaller barely even vestigal but those of 5th to7th are very mush enlarged, while on the male they are all of the same size.更多还原