Works on Plant Parasitism and Resistance

Twenty two species of the paper wasp genus Ropalidia Guérin-Méneville, 1831, are listed from China. Among them, R. malaisei van der Vecht, 1962, R. cyathiformis (Fabricius, 1804),…

In this study, we recognize and review a total of 19 species of the genus Symmorphus Wesmael from China. We also provide a key to these species. Three new species are described an…

Two new species of the bamboo-feeding genus Abrus Dai & Zhang, 2002, A. xishuiensis sp. n. and A. langshanensis sp. n., are described and illustrated from Guizhou and Hunan, South…

Seladonia (Pachyceble) henanensis sp. n., is described from Henan Province, the eastern-central part of China. This species is separated from its allied species by a combination o…

Two new species, namely Ancistrocerus transpunctatus You and Li, sp. n. and Ancistrocerus deqinensis You and Li, sp. n. are described and illustrated from Yunnan, China. A key to …

An identification table and descriptions are given to recognize the two species of Hypodynerus (Hymenoptera: Vespidae: Eumeninae) recorded from Brazil: H. arechavaletae (Brèthes) …

A new species of leafcutter bee, Megachile (Megachiloides) chomskyi, is described from Texas, United States. Megachile chomskyi is one of the four known species of the oenotherae …

We describe a new species of the bee genus Centris, C. (C.) byrsonimae Mahlmann & Oliveira sp. n., whose name has appeared as a nomen nudum in the literature since 1985. Further, …

The taxonomic study of the genus Thisizima Walker, 1864 is carried out in China. Thisizima subceratella sp. n. and T. fasciaria sp. n. are described as new based on the specimens …

A new morphologically cryptic species of phaneropterid bush–cricket from the genus Isophya is described from the Eastern Carpathian Mountains: Isophya dochia sp. n. Sound analysis…

Four species of the genus Lamachus Förster 1869 belonging to the tribe Mesoleiini of the subfamily Ctenopelmatinae (Hymenoptera, Ichneumonidae) are reported from China. Two of the…

The aphid genus Neonipponaphis Takahashi is reviewed and reported in China for the first time, with a description of one new species, Neonipponaphis pustulosis sp. n. on Castanops…

Eriophyoid mites from Qinghai Province, northwestern China were studied herein. Up to now, only six species have been reported from Qinghai Province. In field surveys, 17 eriophyo…

The genus Shirozuella Sasaji, 1967 from the Chinese mainland is reviewed. Eight species are recognized, including four new species: S. motuoensis sp. n., S. tibetina sp. n., S. un…

A new genus and two new species belonging to subfamily Cecidophyinae, namely Kyllocarus reticulatus gen. n., sp. n. infesting Lithocarpus brevicaudatus (Skan) Hay. (Fagaceae) and …

The new species Rhopalosiphum chusqueae Pérez Hidalgo & Villalobos Muller, is described from apterous viviparous females caught on Chusquea tomentosa in Cerro de la Muerte (Costa …

New species of the rarely encountered megachilid genera Afroheriades Peters from South Africa, A. hyalinus sp. n., and Noteriades Cockerell from Myanmar and Thailand, N. jennifera…

Euglossawilliamsi sp. n. is here described from the lowland Amazonianregion in Ecuador and Peru, and as part of a small species assemblage within Euglossa consisting of E. dodsoni…

The biology, host plants, and pest status of Podontia Dalman, 1824 species are reviewed. Natural history of Podontia congregata Baly, 1865 a flea beetle endemic to southern India,…

We describe females and males of Osmia (Melanosmia) calaminthae sp. n., an apparent floral specialist on Calamintha ashei (Lamiaceae), and provide observations on the behavior of …

A new species in the aphid genus Chucallis Tao, Chucallis latusigladius Qiao, Jiang & Chen, sp. n. feeding on a species of bamboo, Indocalamus tessellatus (Munro) Keng f., is desc…

Two distinctive new species of the Neotropical stingless bee genus Paratrigona Schwarz from Ecuador and Paraguay are described and figured. The Ecuadorian species, P. scapisetosa …

The aphid genus Asiphonipponaphis gen. n. from China is new to science. Asiphonipponaphis vasigalla sp. n. causing galls on Distylium chinense from Hunan, China is described and i…

Throughout South Tyrol, in northern Italy, there is a data deficiency relating to wild bee species pool. Here, we present significant findings from the collection of 3,313 wild be…

The south coast of the UK features a number of habitats rich in ground-nesting aculeate wasps and bees. Many of these are in predominantly sandy areas due to nesting requirements,…

The Mediterranean Region represents a biodiversity hotspot with a high rate of endemism. In its western part, Corsica Island is notable in terms of biodiversity due to its large s…

The area sourrounding the Mediterranean basin is recognised as a major biodiversity hotspot for bees, and Italy is amongst the European countries with the highest bee species rich…

One new species of the genus Dendrocerus Ratzeburg, 1852, D. lui Li and Wang sp. nov. is described. A key to Chinese species of males is provided. The 28S sequence was generated t…

Eriogyna pyretorum Westwood is a notorious defoliator of Camphora officinarum Nees that causes large economic and ecological losses in planted forests. To understand the importanc…

The two-spotted bumble bee, Bombus bimaculatus Cresson, 1863 (Hymenoptera, Apidae), is a common species in central North America, with few published records of this species in Can…

Sweat bees of the genus Agapostemon Guérin-Méneville, 1844 (Hymenoptera: Halictidae) are common and widespread in the Americas. Despite distinct morphological characters that were…

The Monteverde region of Costa Rica is a hotspot of endemism and biodiversity. The region is, however, disturbed by human activities such as agriculture and urbanisation. This stu…

Maldives islands host a unique biodiversity, but their integrity is threatened by climate change and impacting land-uses (e.g. cemented or agricultural areas). As pollinators prov…

The extensive forests over limestone of the Samar Island Natural Park (SINP) on Samar Island, Philippines harbour a rich variety of unique species. In this contribution, we descri…

The paper presents the first record of Lithurgus cornutus (Fabricius, 1787) in Poland. Until recently, bees of the genus Lithurgus have not been recorded in Poland. Five females a…

Thysanoptera is amongst the most predominant orders of insects in different ecological zones with worldwide distribution. Due to their small size, there is a large gap in their di…

We investigated the diversity and behaviors of insects that visit flowers of four native species and a horticultural hybrid species of genus Melastoma (Family Melastomataceae) at …

Megachile sculpturalis (Smith, 1853) (Hymenoptera: Megachilidae) is an invasive solitary bee that is rapidly spreading all over Europe. The present study aims to update the distri…

Despite recent evidence on the important role of seed banks associated with plant invasions, and a large body of literature on invasive annual Impatiens species, little is known a…

Various mechanisms can facilitate the success of plant invasions simultaneously, but may be difficult to disentangle. In the present study, plants of the range-expanding species B…

Successful invasion is often due to a combination of species characteristics (or invasiveness) and habitat suitability (or invasibility). Our objective was to identify preferred h…

Ambrosia artemisiifolia is an invasive annual herb infamous for the high allergenicity of its pollen, which is related to increasing medical costs. Additionally, it can…

A majority of the plant species that are introduced into new ranges either do not become established, or become naturalized yet do not attain high densities and are thus considere…

Invasive knotweeds, native to Eastern Asia, are among the most dominant plant invaders of European and North American temperate ecosystems. Recent studies indicate that one cause …

Two species of knotweeds (genus Fallopia, Polygonaceae), native to Asia (Fallopia sachalinensis, F. japonica) and their hybrid (F. ×bohemica) belong to the most noxious plant inva…

Two new species of Oreocharis Benth. from Fan Si Pan, the highest mountain in Vietnam (Sa Pa) are described and illustrated. Oreocharis grandiflora W.H.Chen, Q.H.Nguyen & Y.M.Shui…

Since 2016, KIB (Kunming Institute of Botany) and CPC (Centre for Plant Conservation of Vietnam) have conducted several surveys in the transboundary karst regions in Northern Viet…

Didymocarpus puhoatensis, a new species from Vietnam is described and illustrated with photographs. The new species is morphologically similar to D. brevicalyx and D. epithemoides…

During fieldwork in Fiji, four new species of Cyrtandra (Gesneriaceae) were discovered and are described herein: C. gregoryi M.A.Johnson, sp. nov., C. hispida M.A.Johnson, sp. nov…