Cardiastethus brevirostris Poppius, 1909 and its close relatives in Asia are reviewed. Four new species are recognized: C. hiurai sp. nov. from eastern and south-eastern Asia, C. nepalensis sp. nov. from Nepal, C. kathmandu sp. nov. from Nepal, and C. linnavuorii sp. nov. from the Russian Far East and Japan. All the specimens previously identified as Dysepicritus rufescens (A. Costa, 1847) from Japan and Thailand are shown to be C. hiurai. Diagnoses, digital habitus images, scanning-electron micrographs, and illustrations of diagnostic features including male genitalia are provided. A key to the species of C. brevirostris and allies is offered to facilitate identification. Zoogeography and biology are briefly discussed.

The flat bug fauna of Kenya is poorly known and only five taxa have been recorded so far. In the present paper, two new genera and two new species of the subfamily Mezirinae, Embuana mahnerti gen. and sp. nov., and Linnavuoriessa microptera gen. and sp. nov., are described and figured.

The relationships the African genera GampsoacanthaJosifov and Štusák, 1987, GampsocorisFuss, 1852, and Micrometacanthus Lindberg, 1985 (Berytidae: Gampsocorinae) are discussed. Gampsocoris gomeranusWagner, 1965, having a median anterior spine and three basal processes on the pronotum and a short, round antennal segment IV, is transferred to the genus Micrometacanthus (M. gomeranus, new combination). Gampsocoris linnavuorii, new species, from Senegal is diagnosed, described, and illustrated to help distinguish it from all other species of Gampsocoris. A checklist of African Gampsocorinae is given.

Anasa linnavuorii, a new species of Anasa Amyot and Serville, 1843 from Honduras, is described and illustrated. Dorsal view photos and a key to the known Honduran species are included.

Macroscytus raunoi, a new species of the genus Macroscytus Fieber, 1860, is described from the Morobe Province on the northern coast of Papua New Guinea. The new species is similar in its morphological characters to Australian M. arnhemicus J. A. Lis, 1999. Differences in morphology and male genitalia which enable separation of both species are provided.

Examination of recently collected material on Madeira showed Sehirus aeneus Walker, 1867 to be identical with Canthophorus fuscipennis (Horváth, 1899). The following new synonymy is proposed: Sehirus aeneus Walker, 1867  =  Sehirus fuscipennis Horváth, 1899, syn. nov. Dorsal and ventral body side of the holotype of S. aeneus, and male genitalia of the specimen collected in Madeira are illustrated. New distribution data for Canthophorus maculipes (Mulsant & Rey, 1852) in France, Greece and Spain are also provided.

A new species of the water strider in genus Potamometra Bianchi, 1896 (Hemiptera: Heteroptera: Gerridae: Ptilomerinae) is described from the central and northwestern area of China. Its description, diagnostic illustrations, and distribution are presented.

During the extensive recent survey, a total of 1655 specimens of Gerromorpha (Hemiptera: Heteroptera) were collected in 51 different localities belonging to five watersheds (Medjerda, North-West watershed, Joumine, Sedjenane, North-East watershed) of the North of Tunisia. Thirteen species belonging to seven genera representing five families were identified. Gerris lacustris (Linnaeus, 1758) and Hebrus montanus (Kolenati, 1857) are new records for Tunisia. The fauna of Gerromorpha from northern Tunisia is provided on the basis of the material newly collected and the collection of the Museum National d’Histoire Naturelle, Paris. All the species of Gerromorpha recorded from Tunisia are catalogued, occurrence of 5 families, 7 genera and 15 species are confirmed, occurrence of two previously recorded species (Rhagovelia nigricans nigricans (Burmeister, 1835), Limnogonus cereiventris (Signoret, 1862) is uncertain and requires confirmation.

The Afrotropical genus HyginellusDistant, 1913 (Hemiptera: Heteroptera: Lygaeoidea: Heterogastridae) is revised. The following new subjective synonymies and new combinations are proposed: HyginellusDistant, 1913  =  HeteropynellusScudder, 1962, syn. nov.; Hyginellus gayeiDistant, 1913  =  H. fasciatusScudder, 1957, syn. nov.; Hyginellus tropicus (Scudder, 1962), comb. nov. (transferred from Heteropynellus). Four new species are described, Hyginellus impunctatus Kondorosy, sp. nov. (Tanzania), Hyginellus linnavuorii Kondorosy, sp. nov. (Togo), Hyginellus ornatus Kondorosy, sp. nov. (Ghana, Cameroon) and Hyginellus scudderi Kondorosy, sp. nov. (Ghana, Central African Republic). Hyginellus gayei is recorded first time from Benin and Ghana.

New data on thirty-four species of plant bugs (Insecta: Hemiptera: Heteroptera: Miridae) of French Guyana are provided. This number includes descriptions of two new species, Papaveronia matocqi sp. nov. and Urucuiana linnavuorii sp. nov., and thirty-two species cited for the first time from this country: Amapacylapus amapariensis Carvalho and Fontes, 1968; Calondas fasciatus Distant, 1884; Ceratocapsus brunneus Henry, 1983; Creontiades rubrinervis (Stål, 1862); Cylapocoris fulvusWolski, 2013; Cylapocoris simplexWolski, 2013; Cyrtocapsus xinguanus Carvalho, 1984; Engytatus varians (Distant, 1884); Henicocnemis amazonicusCarvalho and Costa, 1993; Horciasinus humeralis (Berg, 1892); Horciasoides minensis (Carvalho, 1976); Horciasoides notatus (Distant, 1884); Horciasoides plagosus (Distant, 1884); Krainacoris rondoniensisCarvalho and Costa, 1993; Macrolophus cuiabanus Carvalho, 1945; Macrolophus praeclarus Distant, 1884; Minytus cuiabanusCarvalho, 1975; Monalocorisca conspurcata Reuter, 1913; Monalonion atratum Distant, 1883; Neoleucon panamensis Carvalho, 1988; Neostenotus bifasciatus (Carvalho and Fontes, 1972); Notholopus nigerCarvalho and Costa, 1992; Notholopus sulcaticornis (Stål, 1860); Poeas goianaCarvalho, 1989; Prepops circummaculatus (Stål, 1854); Prepops tupianus Carvalho and Fontes, 1970; Proba vittiscutis (Stål, 1860); Pycnoderes amapaensis Carvalho, 1984; Pycnoderes atratus (Distant, 1884); Spartacus albatus Distant, 1884; Taedia dispersaCarvalho and Costa, 1993 and Trigonotylus tenuis (Reuter, 1893). Neostenotus bifasciatus is also cited for the first time from Suriname.

This paper provides the second report of the Cylapinae genus Hemiophthalmocoris Poppius, 1912—H. raunoi sp. nov. outside the Afrotropical Region (Malaysia: Sabah). Scanning electron micrographs of selected structures of Hemiophthalmocoris lugubris Poppius, 1912 are presented. A photograph of the adult of H. raunoi sp. nov. and H. sulawesicus Gorczyca & Chérot, 2002 are given. Illustrations of the male genitalia and dorsal habitus drawing of H. raunoi sp. nov. are provided.

A new genus and species, Linnavuorifulvius cheroti gen. et sp. nov., is described on the basis of specimens collected in Namibia. A dorsal habitus picture, pretarsal structure and genitalia illustrations of the new species are presented. The key to Afrotropical genera of the tribe Fulviini is given.

A new species of Phytocoris (Heteroptera: Miridae: Mirinae: Mirini), P. (Exophytocoris) raunolinnavuorii sp. nov., is described and illustrated from Lebanon. The new species, easily distinguished from all the other species of the subgenus by its coloration and male genitalia, belongs to the Phytocoris pinihalepensis-group. The new species lives on the conifers Abies cilicica (Antoine & Kotschy) Carrière (Pinaceae) and Juniperus excelsa M. Bieb. (Cupressaceae).

Key, diagnoses, data on distribution and host plants are given for 13 species of Campylomma Reuter, 1878 (Heteroptera: Miridae: Phylinae) known from Russia, Caucasus, Central Asia and adjacent countries including two new ones: Campylomma linnavuorii sp. nov. (Tajikistan) and Campylomma attilioi sp. nov. (North Africa and Middle East). Illustrations of the male genitalia, photographs of the dorsal habitus and head are provided for all discussed species. The lectotype of Campylomma angustulum Reuter, 1904 is designated and the taxonomic concept of this species is reassessed. The following new records are reported for the first time: Campylomma lindbergi Hoberlandt, 1953 (Afghanistan), C. nigronasutum Reuter, 1878 (Turkey), C. simillimum Jakovlev, 1882 (Northern part of European Russia), and C. viticis Lindberg, 1948 (Iran).

Scholtzicoris linnavuorii, new genus and new species of Miridae, is described from Western Australia. This taxon is placed in the Phylinae: Semiini: Exocarpocorina on the basis of male and female genitalic structure and in the Melaleucoides group on the structure of the pretarsus. All known specimens were taken on the plant family Myrtaceae, most of those on the genus Scholtzia (tribe Chamelaucieae), with a lesser number of specimens taken on the genus Melaleuca (tribe Melaleuceae).

The paper presents a description of a new species from the genus PsallopsUsinger, 1946, i.e. P. linnavuorii sp. nov. from Ghana. Photographs, line drawings of the general habitus and male genitalic structures are provided.

The poorly known nabid genus Rhamphocoris Kirkaldy, 1901 is reviewed and the genus is redescribed. Four new species are described: R. linnavuorii sp. nov. and R. monteithi sp. nov. from Australia, R. sejunctus sp. nov. from Laos and Sarawak, and R. tenebrosus sp. nov. from Thailand. The male genitalia of R. linnavuorii and R. tenebrosus are illustrated and described. A key to species is given, which is based on species descriptions, photographs of R. borneensis (Schumacher, 1914), R. elegantulus (Schumacher, 1914), R. hasegawai (Ishihara, 1943) and R. reuteri (Bergroth, 1918), as well as original descriptions, and redescription of R. elegantulus. The description of R. linnavuorii and R. monteithi from Australia extends the distribution of the genus by >2500 km and is the first record of the genus east of Sulawesi. An overview of the Australian nabid fauna including two subfamilies, eight genera and 25 species, and a key to nabid genera found in Australian is given. A commentary on characters of the Nabidae is given, with reference to genital and external characters, as well a short discussion on the distribution of Rhamphocoris.

Discimita linnavuorii, new genus and species (Hemiptera: Heteroptera: Pentatomidae: Pentatominae), is described from the Central African Republic. The genus is superficially similar to representatives of the Neotropical subfamily Discocephalinae, but the labium, which arises anteriad of the imaginary line traversing head at anterior limit of the eyes, exludes such a possibility. The new genus exhibits an unusual mixture of morphological characters that are present in Sciocorini, Triplatygini and Myrocheini, and it is tentatively placed in the tribe Myrocheini.

Aeliavuori linnacostatus gen. and sp. nov. is described from the Democratic Republic of the Congo. A brief discussion of its tribal placement is provided.

A new genus, Neoplokioides Štys & Baňař gen. nov. (Insecta: Hemiptera: Heteroptera: Plokiophilidae: Plokiophilinae), is established for those species of Plokiophiloides Carayon, 1974 possessing copulatory tubes in females ( = Plokiophiloides tubifer-group sensu Štys, 1991). Neoplokioides includes the Afrotropical species N. tubifer (Carayon, 1974) comb. nov. (type species), N. biforis (Carayon, 1974) comb. nov., and N. raunoi sp. nov. from Eastern Madagascar. The female paragenitalia of N. raunoi are described and illustrated. All specimens of N. raunoi were collected as free living in evergreen rain forests, not associated with spider or embiid webs. Key to species of Plokiophiloides and Neoplokioides is provided, and their biology, zoogeography, relationships and female genital systems are discussed.

The poorly known assassin bug Reduvius (Pseudoreduvius) dicki Carayon, 1987 (Heteroptera: Reduviidae: Reduviinae), known so far only from Libya, is recorded here for the first time from Tunisia. In addition, the Tunisian record of Reduvius testaceus (Herrich-Schaeffer, 1845) was found to actually represent misidentification of R. dicki and R. testaceus is excluded from the list of the Tunisian fauna. The reduviid fauna of Tunisia currently comprises 56 species.

Henicocephaloides raunoi sp. nov. (Hemiptera: Heteroptera: Reduviidae: Physoderinae) is described based on a single male specimen from Eastern Madagascar, which is deposited in the collection of the Moravian Museum, Brno. The newly described species is illustrated and compared to Henicocephaloides fulvescensVilliers, 1962. A revised generic diagnosis is also provided.

Physoderoides linnavuorii sp. nov. (Hemiptera: Heteroptera: Reduviidae: Physoderinae) is described based on one male specimen from Madagascar deposited in the Muséum National d’Histoire Naturelle, Paris. The dorsal habitus, morphological characters of legs as well as the male genitalia are illustrated. In addition, a key for the identification of species of Physoderoides Miller, 1955 is provided.

Noualhierella Villiers, 1951 (Reduviidae: Stenopodainae), a small genus endemic to Eastern Madagascar, is revised based on an examination of the type specimens. A redescription of the genus is given, including the following synonymy: Noualhierella longiceps Villiers, 1951  =  N. peyrierasiVilliers, 1968, syn. nov. A new species N. linnavuorii sp. nov. is described. The dorsal habitus as well as genitalia of both species are illustrated. An identification key for the species of the genus is also provided.

The genus Lamprocoris Stål, 1865 (Hemiptera: Heteroptera: Scutelleridae: Scutellerinae) is revised. Three species are recognized, treated, and keyed. Lectotypes are designated for Callidea (currently Lamprocoris) roylii Westwood, 1837 and Callidea scripta Walker, 1867. The following new subjective synonyms are proposed: Lamprocoris lateralis (Guérin-Méneville, 1838)  =  L. smaragdus Breddin, 1903, syn. nov.; L. roylii  =  Callidea distinguenda Walker, 1868, syn. nov. Lamprocoris roylii (Westwood, 1837) is recorded for the first time from Burma, Laos, Vietnam and Malaysia, L. spiniger (Dallas, 1849) from Bangladesh and Thailand. A phylogenetic analysis of the included species is provided.

The genus Sciadiocoris gen. nov. is described to accommodate three new species of oncomerine true bugs from Papua New Guinea, Sciadiocoris constanti sp. nov., Sciadiocoris linnavuorii sp. nov. and Sciadiocoris raunoi sp. nov. Habitus as well as male and female genitalia are illustrated. The general aspect of the new genus is similar to that of Cumare Blöte, 1945, but the genitalia are strongly different. A revised key to genera of the subfamily Oncomerinae is given.

Two new species of the genus AgachilaDrake and Gomez-Menor, 1954, Agachila raunoi sp. nov. and A. linnavuorii sp. nov., are described from the Virungas National Park in the Democratic Republic of the Congo. Images of female holotype specimens of both described species are provided.