First record of the genus Systenus Loew (Diptera: Dolichopodidae) from Colombia, with description of four new species.

The genus Systenus Loew, 1857 (Dolichopodidae: Medeterinae) is recorded for the first time from Colombia through the description of four new species: S. bickeli sp. nov.

Insect (Hexapoda) diversity in the oceanic archipelago of Fernando de Noronha, Brazil: Lauxaniidae (Diptera).

The Lauxaniidae fauna from the oceanic Archipelago of Fernando de Noronha, Brazil is revised. Three genera and four species are recognized: Camptoprosopella equatorialis Shewell, 1939, Pachyopella flavida (Wiedemann, 1824), Poecilominettia erebus Soares & Gaimari, sp. nov.

Rafaelomyia, a remarkable new genus of South American long-legged flies (Diptera, Dolichopodidae).

A new dolichopodid genus (Diptera, Dolichopodidae), Rafaelomyia Soares, Capellari & Ramos-Pastrana gen. nov., is described and comprises the following five new species from Northern South America: Rafaelomyia exu Soares & Capellari sp.

Review of Paraclius arcuatus species-group (Diptera, Dolichopodidae) with description of two new species.

The Paraclius arcuatus species-group is reviewed and includes the following seven species: P. angusticauda Van Duzee, 1933, P. angustipennis Van Duzee, 1929, P.

, a New Neotropical Jackal Fly Genus of Milichiidae (Insecta: Diptera) Associated with Carton Ant Nest.

metallica gen. et sp. nov.

Species of Paraclius Loew (Diptera: Dolichopodidae) with bi-lamellate antennal stylus: new combination, new synonym, and two new species.

The species of Paraclius Loew with bi-lamellate arista-like stylus are revised and P. americanus (Schiner, 1868) comb. nov.

New or little-known Neotropical Dolichopodidae (Diptera) (II): genus Hercostomus Loew excluded from the Neotropics.

The Neotropical species of Hercostomus Loew are revised and the following new combinations are proposed: Paraclius panamensis (Van Duzee, 1931) comb. nov. (Panama), P.

Description of the female of Copestylum tigrinum Ricarte amp; Hancock in Ricarte et al., 2015 (Diptera, Syrphidae), first record in mainland South America and new larval host plant.

Larvae of Copestylum tigrinum Ricarte Hancock in Ricarte et al. 2015 were reared from fallen fruits of Casearia combaymensis Tul. (Salicaceae) collected in the Brazilian Amazon (Amazonas, Brazil).

Revision of the New Zealand endemic genus Pseudoscelolabes Collin (Diptera: Hybotidae: Ocydromiinae).

Pseudoscelolabes Collin, 1933, an endemic New Zealand genus, is revised, including the description of a new species, P. lesagei Sinclair Barros sp. nov.

Updates on the Brazilian Hangingfly Species of the Genera Issikiella Byers, Nannobittacus Esben-Petersen, and Pazius Navás (Insecta: Mecoptera: Bittacidae).

This study presents some updates on the Brazilian hangingflies species of the genera Issikiella Byers, Nannobittacus Esben-Petersen, and Pazius Navás (Insecta: Mecoptera: Bittacidae). All species with records from Brazil were included in the study, resulting in some new state records and a new synonym (Pazius cinctipes Byers and Florez under P. ornaticaudus Penny).

Unusual sexually dimorphic head morphology in Lauxaniidae (Diptera: Lauxanioidea)a new species of the genus Trivialia Malloch from Peru.

A new species of the New World genus Trivialia Malloch from Peru is described and illustrated, along with discussion of unusual head morphology in Lauxaniidae. This new species represents an odd case where only a single known species in an otherwise non-dimorphic genus displays extreme sexual dimorphism.

Review of Brazilian species of Syneches Walker (Diptera, Hybotidae, Hybotinae), with description of ten new species.

We increase the knowledge on the taxonomy of Brazilian Syneches describing 10 new species: S. amorimi sp. nov.

Furuncular Myiasis by Dermatobia hominis (Diptera: Oestridae) in Wild Jaguars in the Amazon Rainforest.

Two individuals of the jaguar, Panthera onca (L.), were captured near the municipality of Presidente Figueiredo, Brazilian Amazon, during the years of 2017 and 2018. The jaguars presented furuncular myiasis caused by the human botfly Dermatobia hominis (L.

New records of Stenopygium Becker (Diptera: Dolichopodidae) from the Neotropical Region, and a key to species.

The Neotropical genus Stenopygium Becker (Diptera: Dolichopodidae: Dolichopodinae) was erected to include S. nubeculum Becker, 1922 (described from Bolivia and Peru) and remained monotypic until Brooks (2005) transferred Pelastoneurus punctipennis (Say, 1829) to the genus. Diagnostic characters of Stenopygium include clypeus bulging and subequal in height to face (Figs 1, 9), vein M1 beyond crossvein dm-m with weak anterior bend before middle (Figs 4, 12), hypopygium subtriangular (Figs 6, 14) and phallus strongly wrinkled (Brooks 2005, figs 28B, 29A-B).

Review of the Neotropical genus Pseudosympycnus (Diptera: Dolichopodidae), with description of six new species from Brazil and Peru.

The Neotropical stolidosomatine genus Pseudosympycnus Robinson (Diptera: Dolichopodidae) is reviewed and contains 12 species, including six new species that herein are described and illustrated: P. araza sp. nov.

Chvalaea yolkamini sp. nov. (Diptera: Hybotidae), the first Mexican species of genus discovered on Instagram.

A new species of Chvalaea Papp Földvári, 2002 is discovered after a photo on a social network and later collected in nature. Chvalaea yolkamini sp. nov.

Neotropical Chvalaea Papp amp; Földvári (Diptera: Hybotidae: Ocydromiinae): new records, an illustrated key to species and description of three new species.

Three new species of Chvalaea Papp Földvári are described and illustrated: Chvalaea annularis sp. nov., C.