天女木兰群落物种多样性的研究

对分布于集安和通化地区的天女木兰群落的生长环境和群落特征进行了生态调查,统计了天女木兰群落的物种数量以及群落内木本植物和草本植物的物种多样性指数,为天女木兰的保育提供了基础资料.     

A new terrestrial planarian species of the genus Marionfyfea (Platyhelminthes: Tricladida) found in Europe

Small (c. 1 cm long) terrestrial planarians found in the United Kingdom, the Netherlands and France are described as a new species, Marionfyfea adventor sp. nov. Individuals of the new species have a patchy brown external appearance with small, seemingly random pale blue-ish patches. They have multiple eyes, uniserial around the anterior end, biserial or triserial laterally for a short distance then sparsely uniserial and lateral to the posterior end. The anatomy is characterized by five or six pairs of ventral testes and a single pair of ovaries adjacent to the pharyngeal pouch. The base of each ovary is surrounded by parovarian cells. The penis is of the inverted type with a basal hemispherical seminal vesicle. Two adenodactyls, one ventral, one dorsal, are present in the common antrum. The only other known species of Marionfyfea is recorded only from the Auckland Islands, New Zealand and we assume that the new species has been introduced to Europe.

http://zoobank.org/urn:lsid:zoobank.org:pub:7AC3D565-0BEB-4B67-8BEC-11A13A70D663     

An unusual new species of Trechona (Araneae: Mygalomorphae: Dipluridae), from quartzitic caves of the Diamantina Plateau,Minas Gerais,Brazil, with a key to the known species

Trechona diamantina sp. nov. is described from quartzite caves in Diamantina, central Minas Gerais State, Brazil. This represents the largest cavernicolous mygalomorph population ever recorded. The new species is the first Trechona recorded from a xeric habitat, namely the Rocky Fields on the Diamantina Plateau. T. diamantina sp. nov. is closely related to T. uniformis, both species possessing elongated male and female copulatory organs and both constructing distinct funnel-webs and sheet-webs in quartzite formations. T. diamantina sp. nov. is distinct in possessing less elongated embolus and receptacula seminis. A key for all valid species of the genus is given.

http://zoobank.org/urn:lsid:zoobank.org:pub:EB9E66B3-4701-470C-A80D-873E25F52042     

New species and records of the Neoserica (sensu stricto) group (Coleoptera: Scarabaeidae: Sericini)

In this paper we examined newly collected specimens of the Neoserica Brenske, 1894 (sensu stricto) species group housed in Chinese collections. Four new species are described from China: Neoserica (s. str.) mengsongensis Liu & Ahrens, sp. nov. (Yunnan Prov.), Neoserica (s. str.) pseudosangangana Liu & Ahrens, sp. nov. (Guizhou Prov.), Neoserica (s. str.) taibaiensis Liu & Ahrens, sp. nov. (Shaanxi Prov.) and Neoserica (s. str.) yongkangensis Liu & Ahrens, sp. nov. (Zhejiang Prov.). Habitus and the male genitalia are illustrated. Additionally, we provide new distribution records, an updated distribution map and an updated key to the species of the Neoserica (sensu stricto) group.

http://zoobank.org/urn:lsid:zoobank.org:pub:A3C6B300-EAC3-445E-8B14-E1DBB7BBFB7F     

A new large and colourful species of the genus Doto (Nudibranchia: Dotidae) from South Africa

A new species of the genus Doto is described from the Cape Peninsula of the Western Cape Province, South Africa. To date, the genus Doto is probably one of the more complex and poorly defined genera within nudibranchs. The very small body size and very similar external and internal features make this genus problematic and, therefore, poorly studied. Despite the large number of described species around the world, only three species are known to be present in South Africa: Doto coronata (Gmelin, 1791), Doto pinnatifida (Montagu, 1804) and Doto rosea Trinchese, 1881. Morphologically, Doto splendida sp. nov. is easily distinguished from all its South African congeneric species by its conspicuous colouration. In addition, mitochondrial and nuclear genes clearly separate the new species from other species from southern Africa. A molecular phylogeny based on two mitochondrial (COI and 16S) and one nuclear (H3) gene is herein presented. This phylogeny includes all available species of Doto (valid and unidentified) as well as several other traditionally closed related species retrieved from GenBank.

http://zoobank.org/urn:lsid:zoobank.org:pub:3764C38DF6BB-415F-958C-E3132A1A9524     

New Polypheretima and Pithemera (Oligochaeta: Megascolecidae) species from the Mt. Malindang Range,Mindanao Island,Philippines

We describe four new pheretimoid earthworm species, one in Polypheretima and three in Pithemera, from Mt. Malindang, Misamis Occidental Province, Mindanao Island, Philippines, and provide diagrams of external morphology and internal anatomy. Polypheretima mindanaoensis sp. nov. belongs to the Po. elongata species group, characterised by having genital markings on xix and successive segments and pairs of spermathecal batteries in vi and/or vii. It differs from the other members of the Po. elongata species group in having no copulatory bursae. This species shows individual variation in the number of spermathecae in each battery. Individuals that lack spermathecae are presumed to reproduce parthenogenetically. Pithemera malindangensis sp. nov. and Pi. duminagati sp. nov. belong to the Pi. bicincta species group, characterised by having the first spermathecal pores in 4/5. These two species differ in size and in the distance between male pores. Pithemera donvictorianoi sp. nov. belongs to the Pi. pacifica species group, characterised by having the first spermathecal pores in 5/6. This is the only member of this species group so far reported from the Philippines, and this is the only Philippine Pithemera species whose clitellum covers two rather than two and a half segments. Current studies show that worldwide, the Philippines has the highest diversity for Pithemera, with 13 species, followed by Papua New Guinea and the Pacific Islands, each area with six species. Indonesia has the highest diversity for Polypheretima, with 18 species, followed by Vietnam with 13 species, and then Papua New Guinea and the Philippines, each area with eight species. These findings indicate a high degree of endemicity within these areas, suggesting that many species remain to be detected in the Philippines.

http://zoobank.org/urn:lsid:zoobank.org:pub:2198709C-F5E1-4A0D-A185-CA506D206171     

New species of Notophthiracarus (Acari: Oribatida: Phthiracaroidea) from Tanzania

Three new species of the genus Notophthiracarus are described, identified and figured from Uluguru Mountains of Tanzania: Notophthiracarus quasiuluguruensis sp. nov, Notophthiracarus tuberculus sp. nov, and Notophthiracarus uluguruensis sp. nov. A comparison with the most closely related species of the genus Notophthiracarus is also presented.

http://zoobank.org/urn:lsid:zoobank.org:pub:3FBF24E7-3E2D-4686-AD57-EFEA25510BBD     

Diagnosis and key for the Helina annosa-group (Diptera: Muscidae) from China,with descriptions of nine new species

Nine new species of Helina annosa-group from China, namely H. longievecta sp. nov, H. longisurstyla sp. nov, H. midmargiseta sp. nov, H. nigriabdomilis sp. nov, H. nivimonta sp. nov, H. setosiannosa sp. nov, H. shii sp. nov, H. subfloscula sp. nov. and H. subnigriabdomilis sp. nov, are described and illustrated. Diagnosis of this group, a key and distributions of the species are also given.

http://www.zoobank.org/urn:lsid:zoobank.org:pub:3516C15F-F4AA-4391-B944-84556792CC83     

Spatial distribution of ichthyofauna in the northern Alboran Sea (western Mediterranean)

This study describes the four main demersal fish assemblages identified along the continental shelf and slope (30–800 m depth) of the northern Alboran Sea (western Mediterranean), based on the analysis of the MEDITS (International bottom trawl survey in the Mediterranean) 12-year data series. We collected 186 fish species belonging to three classes, 24 orders and 69 families. Taxonomically, the order Perciformes was the most diverse, represented by 18 families and 58 species. Each assemblage had particular characteristics of abundance, biomass, mean fish weight and species richness. The geographical differences associated with the distribution of some species occurred within shelf assemblages. The middle slope was characterised by the highest similarity between samples, probably due to its lower environmental variability compared to that of the other assemblages.