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Two new species and one new record of the Hitobia are described from Gaoligong Mountains, Yunnan Province, China: Hitobia tengchong sp. n. (male), Hitobia hirtella sp. n. (male) a…

A new species, Bembidion (?Nipponobembidion) ruruysp. n., is described from the foot of Ruruy Volcano, Kunashir Island, Kuril Archipelago, Russia. It is only the second consubgene…

This study is based on a comparative analysis of extensive material of Carabus (Archiplectes) satyrus Kurnakov, 1962, its various forms and related taxa recently collected by the …

Three new spider species are described from Iran: Anemesia koponeni sp. n. (♂, Cyrtaucheniidae); Raveniola mazandaranica sp. n. (♂, Nemesiidae) and Sahastata sinuspersica sp. n. (…

Salmo kottelati sp. n., is described from Alakır Stream (Mediterranean basin) in Turkey. It is distinguished from other Anatolian Salmo species by a combination of the following c…

Circanota, new genus, and its two new species, C. undulata sp. n. (type species), from Costa Rica and Panama, and C. simplex sp. n., from Panama and Ecuador, are described and ill…

The family Eucharitidae (Hymenoptera: Chalcidoidea) is recorded for the first time for the fauna of Saudi Arabia based on Hydrorhoa caffra (Westwood) and Eucharis (Psilogastrellus…

The diverse genus Ophion is almost entirely undescribed in the Nearctic region. In this paper we define the Ophion scutellaris species group. This species group is well-supported …

Chinese species in the genus Nycheuma Fennah, 1964a (Hemiptera: Fulgoromorpha: Delphacidae: Delphacinae: Delphacini) are revised to include three species: N. cognatum (Muir, 1917)…

Four new species of the genus Saigona Matsumura, 1910, S. anisomorpha Zheng, Yang & Chen, sp. n., S. daozhenensis Zheng, Yang & Chen, sp. n., S. dicondylica Zheng, Yang & Chen, sp…

Bivalve mollusk shells were collected in 2350 m depth in the Beaufort Sea, Arctic Ocean off northern Alaska. Initial identification suggested the specimens were a member of the bi…

Eight new genera and 30 new species are described: Cirrosus gen. n. (type species Cirrosus atrocaudatus sp. n. (♂♀)), Conglin gen. n. (type species Conglin personatus sp. n. (♀)),…

Two new species of parasitic acariform mites (Acariformes) are described from the Delacour’s marmoset rat Hapalomys delacouri Thomas (Rodentia: Muridae) in Vietnam: Afrolistrophor…

Coleophora nepetellae Baldizzone & Nel, sp. n. is described from the southern Alps (Italy and France). It belongs to the Coleophora lixella species group. Its host plants are Nepe…

Altogether 18 species of the families Opetiidae and Platypezidae are reported from Romania, based on newly studied material and previously published records. The following three s…

The genus Xenocylapidius Gorczyca, 1997 is revised. Five new species: Xenocylapidius acutipennis sp. n., X. ater sp. n., X. bimaculatus sp. n., X. gemellus sp. n., and X. rolandi …

The cotton aphid, Aphis gossypii, is one of the most biologically diverse species of aphids; a polyphagous species in a family where most are host specialists. It is economically …

Plankton samples obtained from the lagoon system Laguna Navío Quebrado, in northern Colombia, yielded male and female specimens of an undescribed cyclopoid copepod of the genus Ha…

The genus Eviulisoma, the largest among Afrotropical Paradoxosomatidae, currently encompasses 36 species or subspecies, including six new from Kenya: E. ngaia sp. n., E. ngaiaorum…

Lithobius (Monotarsobius) zhangisp. n. (Lithobiomorpha: Lithobiidae), recently discovered from Nanshan Park, Yantai City, Shandong Province, and Wuyishan County, Nanping City, Fuj…

The genus Gasteruption Latreille, 1796 (Hymenoptera: Evanioidea: Gasteruptiidae: Gasteruptiinae) from North Iran and Turkey is revised, keyed and fully illustrated for the first t…

The possible presence of egg predators in brood masses of portunid crabs from Pacific Central America has not been studied yet. This survey reports the finding of a nemertean crab…

Simultaneous multiple infestation of parasitic crustacean species involving a cymothoid isopod, Cymothoa frontalis Milne Edward, 1840 and four species of copepods such as Lernanth…

Artemesia longinaris is a marine shrimp endemic to the southwestern Atlantic and distributed from Atafona, Rio de Janeiro (Brazil) to Rawson, Chubut (Argentina). In recent years, …

Caridean shrimps of the genus Synalpheus are abundant and widely distributed in tropical and subtropical regions, but knowledge of their reproductive biology remains scarce. We re…

Sexual dimorphism in body size and weaponry was examined in two Cinetorhynchus shrimp species in order to formulate hypotheses on their sexual and mating systems. Collections of C…

Measures of hydrologic connectivity have been used extensively to describe spatial connections in riverine landscapes. Hydrologic fluctuations constitute an important macrofactor …

The relative growth of a number of morphological dimensions of the South American freshwater crab Trichodactylus borellianus (Trichodactylidae) were compared and related to sexual…

Palaemon carteri (Gordon, 1935) and P. ivonicus (Holthuis, 1950) are morphologically similar species of South American freshwater shrimps. Past studies have questioned the taxonom…

The stalked barnacle Oxynaspis gracilis, the chirostylid squat lobster Uroptychus sp., and the caridean shrimps Periclimenes cf. antipathophilus and Pseudopontonides principis hav…

A new species of the genus Nihonotrypaea Manning & Tamaki, 1998, N. hainanensis sp. n., collected from the South China Sea, is described and illustrated. It is distinguishable fro…

We examined the potential utility of museum specimens as a source for genetic analysis of fairy shrimp. Because of loss of their vernal pool habitat, some fairy shrimp (including …

Material of the paederine genus Domene Fauvel, 1873 from China is examined. Nine species were identified, four of them described previously, one unnamed (represented exclusively b…

Six new species of Lycocerus Gorham are described, L. gracilicornis sp. n. (China: Sichuan), L. longihirtus sp. n. (China: Yunnan), L. sichuanus sp. n. (China: Sichuan), L. hubeie…

Three new species of the pygostenine genus Doryloxenus Wasmann, viz., D. aenictophilus sp. n. (from Zhejiang), D. tangliangi sp. n. (from Zhejiang), and D. songzhigaoi sp. n. (fro…

The revision of the Afrotropical Ophioninae is updated, based on the examination of about 800–900 individuals in the South African and European museum collections. A robust intera…

A new fern-feeding aphid species, Micromyzus platycerii, collected in Sakaerat Research Station in Thailand, is described.

A new species of paracalanid calanoid copepod Parvocalanus leei sp. n., is described from specimens collected in shallow waters of Western Korea. The new species is closely simila…

The genus Machadocepheus, being one of the more complex genera of the Carabodidae family, is briefly outlined to demonstrate this complexity. Descriptions of two new species from …

Hemibrycon sanjuanensis, new species, is described from the upper San Juan River drainage, Pacific versant, Colombia. It is distinguished from H. boquiae, H. brevispini, H. cairoe…

Recent cave biodiversity surveys carried out in Du’an County and its adjacent areas of northwestern Guangxi, China, have revealed some exciting scientific findings. In a very limi…

New sex associations are proposed for four species of Darditilla: D. amabilis (Gerstaecker, 1874); D. bejaranoi Casal, 1968; D. debilis (Gerstaecker, 1874); and D. felina (Burmeis…

Dicranogonus pix Jeekel, 1982 occurs in Victoria and Tasmania, Australia, including the islands in eastern Bass Strait between the two States. There is only slight gonopod variati…

Five species of myrmecophilous microdispid mites (Acari: Microdispidae) are recorded from Western Siberia, Russia. Unguidispus lasii Kurosa, 1979, U. japonicus Kurosa, 1979, Caesa…

The present work contributs to the knowledge on the aquatic mermithids (Nematoda, Mermithidae) occurring in black flies – an insufficiently studied group of parasitic nematodes. I…

Pseudobarbus verloreni, a new species, is described from material collected in the Verlorenvlei River system on the west coast of South Africa. It differs from its congeners (exce…

A new species of Cyphomyia Wiedemann, C. baoruco sp. n., is described from the Dominican Republic. A key to the species of Cyphomyia known from the Caribbean islands is provided.

The cynipoid subfamily Figitinae is poorly represented in the Afrotropical region with two genera (Figites Latreille and Xyalophora Kieffer) and six species currently known. Here …

The new genus Spartidelphax is described to house three species removed from the polyphyletic genus Delphacodes. The members of Spartidelphax are coastal species native to eastern…

Two new species of the genus Zilchistrophia Weyrauch, 1960 are described from Eastern Ecuadorian rain forest: Zilchistrophia hilaryae sp. n. and Z. shiwiarorum sp. n. These two ne…