Works in United States of America

Stoneflies are a relatively small order of insects comprising over 4,200 extant, described species. They have long been recognised as valuable indicators of water quality, since n…

In recent years, an increase in baseline arthropod surveys and closer scrutiny of specimens from current and past collections have resulted in a rise of adventive psyllid species …

The genus Cardiocondyla Emery, 1869 is a diverse group of ants in the subfamily Myrmicinae, with a total of 89 recognised species and subspecies recorded worldwide. A new species …

Boreus (Mecoptera, Boreidae) species are reviewed. Two new Alaskan species are described (Boreus tananaensis Kane, sp. nov., Boreus timaryi Kane, sp. nov.), a previously synonymiz…

Based on previously published species accounts and collection records of the authors, a county-level distributional checklist of all 220 caddisfly species documented within Florid…

Undergraduate research groups can face challenges in their involvement in multi-year or long-term research projects in maintaining momentum for projects, keeping consistency among…

Understanding the spatial patterns of energy flow from mountain streams via emerging aquatic insects remains limited due to a lack of empirical data. Upon emergence, adult flying …

Diet is known to be a major factor in the gut microbiome of many groups of insects. Larvae from the insect order Trichoptera have varied feeding behaviors, encompassing all functi…

The adult stage of Trichoptera is valuable for assessing the biotic integrity of streams; however, it is not clear which specific metric(s) have the greatest value for doing so. I…

The Tui Chubs, Siphateles spp., are found widely across the Great Basin and in some adjacent regions. Nearly all diversity of Siphateles has been consolidated under the name S. bi…

Psilochasmus Lühe, 1909 is a small genus of psilostomid digeneans parasitic in birds and characterized by the presence of a retractable tail-like structure at the posterior end of…

The family Macrothricidae (Branchiopoda: Anomopoda) remains one of the least studied groups of water fleas (Cladocera). One of macrothricids with an unclear phylogenetic status is…

Molecular and morphological data suggest that the Mediterranean populations of the non-indigenous genus Dendostrea are part of a single clade. This clade includes oysters from Rod…

Among the very rarest of Nearctic ants are three species of inquiline social parasites belonging to the genus Monomorium, namely Monomorium inquilinum DuBois, Monomorium pergandei…

The genus Pseudobornella Baba, 1932 (Gastropoda, Nudibranchia, Dendronotidae), which was previously thought to be monotypic and restricted to the Western Pacific, is here expanded…

In the Afrotropical Region, Sphyracephala beccarii (Rondani) and S. munroi Curran are found, the former just extending into the Palaearctic Region. In the latter region, S. babadj…

The noctuid genus Supralathosea Barnes & Benjamin (Noctuidae, Oncocnemidinae) is revised to include three species for the United States of America, Supralathosea baboquivariensis …

The systematics of humble-in-appearance brown spiders (“marronoids”), within a larger group of spiders with a modified retrolateral tibial apophysis (the RTA Clade), has long vexe…

Cytheridella whitmani Martens, sp. nov. is described from lakes on Cape Cod (MA, USA). The species differs from its congeners mainly by the shape of the female carapace and by the…

In this study, a morphological revision was conducted of Agroecotettix Bruner, a group of grasshoppers inhabiting open xeric desert scrub, shrublands, and plains, spanning central…

Based on recent collecting and a synthesis of ~100 years of historical data, 219 caddisfly species are reported from the state of Indiana. Seventeen species are reported herein fr…

A new intertidal species of the melitid amphipod, Melita panda, from the Wakayama Prefecture, Japan, is identified and described. Melita panda sp. nov. differs from the similar M.…

A new species of the genus Chrysonotomyia Ashmead, Chrysonotomyia susbelli sp. nov., is described from the Rice University campus in Houston, Texas, USA. The species is a parasito…

The Chiricahua Mountains in southeastern Arizona are renowned for their exceptional biodiversity and high levels of endemism. Morphological, genomic, behavioral, and distributiona…

In the eastern United States, 74 species of Anillini in two genera have been described, with most belonging to Anillinus Casey. Until now, no systematic framework has existed for …

In this study, the biodiversity of Chironomidae was investigated in Palmer Park Pond A, an urban vernal pond in Detroit, Michigan, USA. This study is developed as part of our ongo…

The diversity of nemerteans along the Pacific coast of the United States is regarded as well characterized, but there remain many cryptic, undescribed, and “orphan” species (those…

Four new inquiline social parasites are described in the dolichoderine ant genus Tapinoma from the Nearctic region, and keys are provided for queens and males of the Nearctic Tapi…

Six new species of Cryptochironomus Kieffer, 1918, C. absum Liu, sp. nov., C. beardi Liu, sp. nov., C. dentatus Liu, sp. nov., C. ferringtoni Liu, sp. nov., C. parallelus Liu, sp.…

The genus Hivanua gen. nov. is established for the harmochirine jumping spiders of the Marquesas Islands, formerly placed in Habronattus F.O. Pickard-Cambridge, 1901 and Havaika P…

Poolea gen. nov. is described for two noctuid species from southwestern United States: Poolea grandimacula Barnes & McDunnough, comb. nov., previously in Oxycnemis Grote, and Pool…

Species of the thorny lacewing subfamily Symphrasinae (Neuroptera: Rhachiberothidae) are revised. Prior to this work, 42 species were known in the genera Anchieta Navás, 1909, Ple…

A new species of Larca is described from dry habitats in a cave in central Colorado. Like other cave-dwelling species of Larca, the new species Larca boulderica sp. nov., shows re…

Species of the genus Lathrobium Gravenhorst (Coleoptera: Staphylinidae: Paederinae) from North America north of Mexico are reviewed and 41 species are recognized. Morphology and m…

Etainia thoraceleuca van Nieukerken, Epstein & Davis, sp. nov. is the second native American species of Etainia Beirne, 1945, and the second known Etainia species feeding on Erica…

Herein a new species of Paruroctonus Werner, 1934 is described from alkali-sink habitats in the San Joaquin Desert of central California, Paruroctonus tulare sp. nov. It can be di…

Epitomapta aumakua sp. nov. occurs at a depth of 2.5 m in Kualoa, O`ahu, Hawai`i, living in coarse sand. It is distinctive in having 12 pinnate tentacles, each tentacle with three…

Species of wolf spiders considered in the Pardosa atrata group are surveyed, and comparative figures of all species included in the group are presented for the first time. A new s…

Protogygia pryorensis sp. nov. (Insecta, Lepidoptera, Noctuidae, Noctuinae, Noctuini) is described from a single arid active sands habitat in the south foothills of the Pryor Moun…

A recent survey of the entomofauna of the Davis Mountains in the state of Texas has revealed four new species in the genus Phytocoris Fallén (Miridae, Mirinae, Mirini): Phytocoris…

A new species, Hypothyce rayi MacGown & Hill, sp. nov. (Coleoptera: Scarabaeidae: Melolonthinae: Melolonthini), is described from east central Alabama, USA. Three other species of…

The millipede fauna inhabiting deep soil are poorly known. They are small and threadlike, slow moving, lacking pigmentation, and rarely encountered due to their obscure undergroun…

The rarely encountered spider genus Hexurella Gertsch & Platnick, 1979 includes some of the smallest mygalomorph spiders in the world, with four poorly known taxa from central and…

Recent fossil shell mining for a new rail line in the Orlando area of Orange County, Florida has uncovered two species of the ellobioid genus Carychium O. F. Müller, 1773 in a bed…

We describe a second species of Nearctomeris Wesener, 2012, a genus of pill millipede endemic to the southern Appalachians, based on morphological and molecular evidence. The faun…

Melanoplus discolor and Melanoplus kendalli were previously placed in the texanus species group. Here seven new species are described from central Texas and the combined nine spec…

The isopod crustaceans reported from or expected to occur in littoral and sublittoral marine habitats of the Southern California Bight (SCB) in the northeastern Pacific Ocean are …

Terrestrial gastropods are among the most imperiled groups of organisms on Earth. Many species have a complex taxonomic history, often including poorly defined subspecies, most of…

A new species of the carabid beetle genus Bembidion Latreille is described from the Central Valley, Los Angeles Basin, and surrounding areas of California. Bembidion brownorum sp.…

Nitidulidae trapping performed from 2018 to 2021 to characterize flight behaviors of potential vectors of the oak wilt pathogen yielded three new species records for Canada, six n…