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1.
辽宁省恙螨生态地理分布 总被引:2,自引:0,他引:2
辽宁省已知恙螨25种,分属于2科3亚科10属。本文依据四个不同地理景观区内恙螨的优势种、常见种和罕见种,对其生态地理分布作了讨论。(1)辽东山地及半岛丘陵区:有恙螨22种。其中东方纤恙螨为优势种;姬鼠纤恙螨、仓纤恙螨、林姬纤恙螨、皆貌纤恙螨、塔米新恙螨、鸡新棒恙螨等为罕见种.(2)辽河平原区:有恙螨8种。优势种为须纤恙螨;辽姬纤恙螨为罕见种。(3)辽西低山丘陵区:有恙螨8种。其中高丽新恙螨为优势种;凹邃合轮恙螨、膜嗜翼手恙螨等为罕见种。(4)黄土丘陵台地干草原区:有恙螨2种,均为常见种,其中脆弱无前恙螨数量较多。 相似文献
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泰国茜草科粗叶木属植物的分类学研究 总被引:4,自引:1,他引:4
在详细检查了K,BM,E,P,AAU,L,KEP,BKF,BK,SING,PSU等标本馆馆藏茜草科粗叶本属Lasianthus Jack.植物标本基础上,研究了泰国产粗叶木属植物的分类学,共归并7个种名,建立3个新种,3 个新变种,1个新等级,以及8个泰国分布新记录种及8个泰国分布新记录变种,确认泰国共有粗叶木属植物52种,1亚种,12变种;讨论了易于混淆的种的界线、它们可能的亲缘关系以及识别要点。 相似文献
4.
ZHU Hua 《植物分类学报:英文版》2001,39(2):116-150
A taxonomic revision of the genus Lasianthus Jack. from Thailand is made based on
specimens in BKF, BK, L, AAU, K, BM, E, P, KEP, SING and PSU etc. Three species and
three varieties are described as new; a new combination, L. trichophlebus subsp. barbellatus ( Ridley) H. Zhu, is made; eight species and five varieties are found to represent new records to Thailand; seven species, i.e. L. brevidens Craib, L. densifolius Miq., L. incomptus Craib, L.
scalaris Craib, L. penicillatus Craib, L. virgatus Craib and L. zambalensis Elmer, axe reduced
to synonyms; two species, L. brevipes Craib and L. lowianus King et Gamble are moved to the genus Saprosma; the delimitation of some species is clarified. As a result, fifty-two species, one sub-species and twelve varieties are recognized in the genus Lasianthus from Thailand. 相似文献
5.
徐正会 《Entomologia Sinica》2000,(2)
记述采自云南西双版纳细颚猛蚁属LeptogenysRoger 5新种 :黄帝细颚猛蚁L .huangdiisp .nov .,盘古细颚猛蚁L .panguisp .nov .,庄子细颚猛蚁L .zhuangziisp .nov .,老子细颚猛蚁L .laoziisp .nov .,孟子细颚猛蚁L .mengziisp .nov .。在同一地区发现中国新记录种 1种 :粗角细颚猛蚁L .crassi cornisEmery。编制了细颚猛蚁属中国已知 13种的工蚁分种检索表。提供了除勃固细颚猛蚁L .peuqueti(Andre)外 12个种的详细特征图。中国已知种类被划分为 4个种组 :粗角细颚猛蚁种组L .crassicornis group ,中华细颚猛蚁种组L .chinensis group ,条纹细颚猛蚁种组L .diminuta group和庄子细颚猛蚁种组L .zhuangzii group。 相似文献
6.
本文报道松树上散斑壳属(Lophodermium Chev)的7个种,其中3个新种:安徽散斑壳(L.anhuiense Y.R.Lin sp.nov.)、白皮松散斑壳(L.pini—bungeanae Y.R.Lin sp.nov.)及奇异散斑壳(L.mirabile Y.R.Lin sp.nov.);2个我国新记录种:针叶树散斑壳(L.conigenum(Brunaud)Hilitz.)和南方散斑壳(L.australe Dearn.);2个国内已记载的种:松针散斑壳(L.pinastri(schrad.)Chev.)和乔松散斑壳(L.pini-excelsae Ahmad)。文中列出了分种检索表,对新种作了拉丁文和汉文描述,对新记录种的主要特点以及已知种的寄主新记录和地理新分布分别作了记载。 相似文献
7.
松树上的七种散斑壳 总被引:3,自引:0,他引:3
本文报道松树上散斑壳属(Lophodermium Chev)的7个种,其中3个新种:安徽散斑壳(L.anhuiense Y.R.Lin sp.nov.)、白皮松散斑壳(L.pini—bungeanae Y.R.Lin sp.nov.)及奇异散斑壳(L.mirabile Y.R.Lin sp.nov.);2个我国新记录种:针叶树散斑壳(L.conigenum(Brunaud)Hilitz.)和南方散斑壳(L.australe Dearn.);2个国内已记载的种:松针散斑壳(L.pinastri(schrad.)Chev.)和乔松散斑壳(L.pini-excelsae Ahmad)。文中列出了分种检索表,对新种作了拉丁文和汉文描述,对新记录种的主要特点以及已知种的寄主新记录和地理新分布分别作了记载。 相似文献
8.
M D Feliciangeli 《Memórias do Instituto Oswaldo Cruz》1987,82(1):119-124
A study on the ecology of phlebotomine sandfly fauna in a restricted focus of cutaneous leishmaniasis in northern Venezuela was undertaken in order to investigate the species responsible for the transmission. The study area and catching methods for phlebotomine sandflies are described. A total of 9,061 females and 1,662 males were collected during a year-term study. 12 species of Lutzomya and 1 species of Brumptomya sp. were identified. Absolute and relative abundance and occurrence for each species were determined. The relative occurrence allowed to distinguish the common species, viz. L. panamensis, L. ovallesi, L. gomezi, L. trinidadensis, L. atroclavata, L. cayennensis, L. shannoni and L. olmeca bicolor from the rare species vis., L. punctigeniculata, L. rangeliana, L. evansi and L. dubitans. General comments on the species composition of the sandfly fauna in this locality are made. 相似文献
9.
检视和研究了东洋界肘角广口蝇属Loxoneura Macquart(双翅目:广口蝇科)的全部种类,确认目前该属共知12种。详细记述了其中的一新种:西藏肘角广口蝇L.tibetana sp. Nov.。记载了下列5种的地理分布新记录: 大斑肘角广口蝇L. fascialis Kertesz、三带肘角广口蝇L. livida Hendel和花翅肘角广口蝇L. pictipennis (Walker) 为中国新记录种;艳丽肘角广口蝇L. decora (Fabr icius) 为马来西亚和婆罗洲的新记录种;台湾肘角广口蝇L. formosae Kertesz为印度新记录种。讨论了肘角广口蝇属的属征,并提供全部已知种类(除老挝肘角广口蝇 L. vitalisiana Frey外)的鉴别特征、分种检索表及其有关特征图。 相似文献
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11.
红松上的散斑壳 总被引:6,自引:0,他引:6
根据子囊果在寄主组织中的位置、生态学特性和松针上线纹有无等特点,将中国东北红松(Pinns koraiensis Sieb et Zucc.)上的散斑壳(Lophodermium Chev.)鉴定为5个种,其中2个新种:寄生散斑壳(Lophodermium parasiticum B. Z.He et Yang),大散斑壳(L.maximumB.Z.He et Yang);3个为我国新记录种:光亮散斑壳(L.nitens Darker)、偃松散斑壳(L.pini-pumilae Sawada)和乔松散斑壳(L.pini-excelsae Abmad)。引起红松落针病的病原菌主要是大散斑壳,其次是寄生散斑壳。 相似文献
12.
Anne Lise Schutte 《Nordic Journal of Botany》1995,15(2):149-156
Schutte, A.L. 1995. Five new species of the genus Liparia (Fabaceae) from South Africa. - Nord. J. Bot. 15: 149–156. Copenhagen. ISSN 0107–055X.
Five distinct new species of the genus Liparia are described, namely L. bonaespei, L. confusa, L. congesta, L. rafnioides and L. triata . These species are, like many of the species included in the recently enlarged generic concept of Liparia , also localized, and are all endemic to the Cape Province of South Africa. 相似文献
Five distinct new species of the genus Liparia are described, namely L. bonaespei, L. confusa, L. congesta, L. rafnioides and L. triata . These species are, like many of the species included in the recently enlarged generic concept of Liparia , also localized, and are all endemic to the Cape Province of South Africa. 相似文献
13.
Abstract. The Neotropical genus Panisopelma (Psyllidae: Aphalaroidinae) is revised and its internal phylogeny analysed. The constituent species, including five new ones, are described and illustrated. Keys are provided for the adults and the last instar larvae. Eight species are associated with creosote bushes ( Larrea , Zygophyllaceae): five with L. nitida and three with L. divaricata . There is evidence that another three species, the larvae of which are unknown, also develop on L. divaricata . Seven species are restricted to Argentina, one to Bolivia and three to Chile. The cladistic analysis based on male, female and larval morphological characters yielded a single most-parsimonious tree. The species associated with L. nitida form a monophyletic clade, those on L. divaricata , by contrast, are paraphyletic. One clade with three species is restricted to Argentina, but three clades each contain a species from Argentina and Chile. Although a close association exists between Panisopelma and Larrea , there is no evidence for cospeciation, but rather an initial shift from an unknown host to L. divaricata and a second shift from L. divaricata to L. nitida . In three species pairs of Panisopelma , the distribution patterns suggest geographical vicariance between Argentina and Chile. 相似文献
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15.
Members of the genus Limnodynastes are a prominent and widespread feature of the Australian frog fauna. Yet despite their potential to be informative about biogeographic history and mechanisms of speciation, the relationships among these taxa are not well known. We investigated phylogenetic relationships within the genus Limnodynastes via sequencing of mitochondrial (mt)DNA from current members of the genus Limnodynastes and the monotypic genus Megistolotis. a 450-bp fragment of the 16S rRNA gene and a 370-bp fragment of the protein-coding gene ND4 were used to infer a molecular phylogeny. We revise traditional species groupings and now recognize four species groups within Limnodynastes: the L. ornatus group (L. ornatus and L. spenceri), the L. peronii group (L. peronii, L. tasmaniensis, L. fletcheri, the L. depressus), the L. salmini group (L. salmini, L. convexiusculus, and L. lignarius), and the L. dorsalis group (L. dorsalis, L. terraereginae, L. dumerilii and L. interioris). The L. ornatus species group forms a highly distinctive clade that is a sister group to the other Limnodynastes groups. Pending broader phylogenetic studies it could be removed from the genus Limnodynastes. Our results concur with previous suggestions that Megistolotis lignarius is nested within Limnodynastes, and we therefore reclassify this species as Limnodynastes lignarius. Furthermore, specimens identified as L. depressus form a mtDNA lineage distinct from other species in the genus, confirming the validity of the species. Specimens of species from the L. dorsalis group (L. dorsalis, L. dumerilii, L. interioris, and L. terraereginae) are closely related such that L. dumerilii is paraphyletic with two other species. Finally, our study provides broad support for previous phylogenies based on microcomplement fixation. 相似文献
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Peter L. Jannerup 《Nordic Journal of Botany》2003,23(6):641-702
23 species, one subspecies and three varieties have been described or named for the pan-tropical genus Lasianthus Jack (Rubiaceae) in continental Africa. In the present revision thirteen species, five subspecies and one variety are recognized; additionally two hybrids are proposed. Of the previously named taxa, the subspecies is raised to species rank whereas two species are degraded to subspecies and variety status, respectively. Five species are synonymised including two varieties, and four are left with uncertain status, including one variety. The distribution of the genus in Africa consists of two distinct elements: one component is found in the Guineo-Congolian regional centre of endemism and one in the eastern part of Afiomontane Archipelago-like regional centre of endemism. A centre of species diversity is found in Eastern Arc Mts., where six endemic species occur together with L. laxinervis and the more widespread L. kilimandscharicus. Four of the species are strict endemics of the Uluguru Mts. In addition to the presentation of the new section: Lasianthus Sectio Membranacei, sect. nov., this revision contain two hybrids from Uluguru Mts.: L. macrocalyx × pedunculatus and L. cereifizorus × pedunculatus, and following new taxa and new combinations: L. africanus ssp. biokoensis, subsp. nov.; L. africanus ssp. mayumbensis, comb. et stat. nov.; L. kilimandscharicus ssp. glabrescens, ssp. nov.; L. kilimandscharicus ssp. glabrescens var. xanthospermus, comb. et stat. nov.; L. kilimandscharicus ssp. hirsutus, ssp. nov.; L. laxinervis, stat. nov.; L. pedunculatus ssp. angustisepalus, ssp. nov. 相似文献
18.
Yang Hsi-Ling 《植物分类学报:英文版》1981,19(2):238-244
The present paper deals with 3 genera,Pugionium Gaertn., Lepidium L. and Torularia O. E. Schulz of the family Cruciferae found in the desert regions of China.
Of the genus Pugionium 4 species and 1 new variety and their geographical distribution are recognized.
Two closely related species of Lepidium, L. apetalum Willd. and L. ruderale L. and
one additional new species are described and their distribution patterns are discussed.
Two species of the genus Torularia previously described by V. Botschantzev (1959)are here redused to varietal ranks, and one additional new species is described. 相似文献
19.
W. WILLIAMS M. A. AKHTAR M. FALUYI 《Botanical journal of the Linnean Society. Linnean Society of London》1980,81(3):225-232
The results of attempted hybridization between European species of large-grained species of Lupinus, L. albus, L. angustifolius and L. luteus and between these and the South American species L. mutabilis are described. Pollen-tube growth in interspecific combinations differed significantly from those after self-pollination only when L. luteus , was the female parent. All combinations Involving L. mutabilis pollen exhibited unilateral compatible pollen-tube growth. Substantial evidence of ovule stimulation and enhanced pod retention was recorded in crosses between the European species and L. mutabilis , but viable seeds were not obtained. The indications, from pollen-tube growth and pod retention in certain crosses, are that genetical isolation between some of the species could be overcome. 相似文献
20.
近年作者对我国南部地区松树上的散斑壳属(Lophodermium Chev.)真菌进行了调查和研究。本文报道8个种,其中椭圆散斑壳(L.ellipticum Y.R.Lin)是新种,喜马拉雅散斑壳(L.himalayense P.F.Cannon & Minter)和库曼散斑壳(L.kumaunicum Minter &M.P.Sharma)为我国新记录种,南方散斑壳(L.australe Dearn.)等5种为国内已记载种。对新种作了拉丁文、汉文描述和图解,对新记录种进行了简要记述。另外,记载了已知种的寄主新记录和地理新分布。 相似文献