Illustrated key to the species in the genus Salapia Stål, 1865 (Heteroptera: Coreidae: Acanthocephalini), with descriptions of three new species.

The genus Salapia Stål 1865 (Coreidae: Acanthocephalini) is redescribed and three new species are described: S. fundita from Ecuador, S. ignava from Peru, and S. nitella from Brazil. A revised key to all 21 species is included. Dorsal view photos of each known are provided.

Description of three new species of Carvalhygia Brailovsky, 1995 from The Republic of the Philippines and a key to species (Heteroptera: Coreidae: Colpurini).

Three new species of Carvalhygia Brailovsky, 1995 collected in The Republic of the Philippines are described in the tribe Colpurini (Heteroptera: Coreidae)C. complanus sp. nov., C. herczekia sp. nov. and C. stellata sp. nov. A key to the seven described species is included, illustrated with photomicrographs of dorsal and lateral habitus, female genital plates, male genital capsule of C. camarinesa, C. carvalhoi and C. herczekia, and parameres of C. camarinesa and C. herczekia.

Illustrated key to the species in the genus Laminiceps Costa, 1863 (Hemiptera: Heteroptera: Coreidae: Acanthocephalini), with descriptions of twelve new species.

The genus Laminiceps Costa, 1863 (Coreidae: Acanthocephalini) is redescribed, and 12 new species are described: L. aburtonia (Brazil), L. curiosus (French Guiana), L. eustoliana (Paraguay), L. excelsus (Peru), L. factiosus (Brazil), L. fundatus (Trinidad), L. gelidus (Brazil), L. genuinus (Peru), L. halatus (Brazil), L. infrequens (Brazil), L. lentus (Venezuela), and L. navus (Bolivia). A revised key to all 30 species is included. Dorsal and lateral photos of all species are provided as well as photos of male genital capsules and parameres where available.

Description of two new micropterous species of Monasavuhygia Brailovsky, 1996 from the Fiji and Solomon Islands and a key to species (Heteroptera: Coreidae: Colpurini).

The genus Monasavuhygia Brailovsky, 1996 is revised. Two new species collected in the Fiji Islands and Solomon Islands, respectively, are described in the Tribe Colpurini (Heteroptera: Coreidae). A key to the known species is included, with photographs of the dorsal habitus and female genital plates provided.

Distribution of Two Strains of Leptoglossus zonatus (Dallas) (Hemiptera: Coreidae) in the Western Hemisphere: Is L. zonatus a Potential Invasive Species in California?

The leaffooted plant bug, Leptoglossus zonatus (Dallas) (Hemiptera: Coreidae) is polyphagous and widely distributed in the Western Hemisphere. Although it has been recorded in California since around 1900, it has become a more common pest in almonds in the last decade. Other studies have shown that an established insect can become a pest when a new genotype is introduced. This study investigated the distribution of two lineages (strains) of L. zonatus in the Western Hemisphere. Specimens from the Leptoglossus collection in the national insect collection in Mexico were used to extract DNA and sequence the mitochondrial DNA cytochrome oxidase I (mtDNA COI) gene, for use in population genetic and phylogenetic analyses. New sequences from Mexico, Central and South America were combined with those available in GenBank, from California and Brazil. Two lineages (strains) of L. zonatus were uncovered. One lineage occurs in California, Mexico and Ecuador. The second lineage is more widespread and found in California, Mexico, Guatemala, Nicaragua, Bolivia and Brazil. The haplotype number and diversity, and nucleotide diversity, were found for samples from California, Mexico, and Brazil, for the two lineages, and for all 118 sequences combined. All sequences combined produced five haplotypes, and a haplotype diversity of 0.54. California and Brazil had 3 haplotypes each, with one haplotype shared (5 total). Haplotype diversity in California and in Brazil were 0.526 and 0.505, respectively. A haplotype network found that one haplotype was most abundant and widespread. The small number of haplotypes, a range expansion, and economic pest status of L. zonatus in California, all contribute to this insect being a potentially invasive insect pest.

Illustrated key to the species in the genus Sephina (Hemiptera: Heteroptera: Coreidae: Coreinae: Spartocerini), with descriptions of three new species and new distributional records.

Three new species of Sephina Amyot and Serville 1843, are described: S. crassa from Ecuador, S. effrena from Colombia and S. ornata from Panama. A key to the 27 known species and photographs of the dorsal habitus are included. Also included are photographs of the male genital capsule of S. vinula Stl 1862, and parameres of S. indierae Wolcott 1924 and S. vinula. New distributional records for S. dorsalis (White 1842), S. esquivelae Brailovsky Schez 1983, S. faceta Brailovsky 2001, S. formosa (Dallas 1852), S. geniculata Distant 1881, S. limbata Stl 1862, S. nigripes Schmidt 1907, S. pagella Brailovsky Schez 1983, S. pubera (Erichson 1848), S. pustulata (Fabricius 1803), S. rogersi Distant 1881, S. subulata Brailovsky Schez 1983, and S. vinula are included. Sephina excellens Schmidt, 1907 is synonymized under S. pubera (Erichson 1848). The synonymy of Sephina grayi Van Duzee, 1909 under S. gundlachi (Gurin-Meville 1857) is here corroborated.

Illustrated key to the species included in the genus Petalops Amyot amp; Serville, 1843 (Hemiptera: Heteroptera: Coreidae: Coreinae: Acanthocephalini), with description of four new species and new distributional notes.

Four new species of Petalops Amyot Serville, 1843 are described: P. graziae from Brazil, P. jactatus from Ecuador, P. lautus from Colombia, and P. necopinus from Peru. A revised key to all known species (16) is included. New distributional data are given for P. ambiguous Brailovsky, 1991, P. bellator Brailovsky, 1991, P. luteomaculosus Brailovsky, 1991, P. occulta Brailovsky, 1991, and P. thoracicus (Thunberg), 1783. Dorsal view photos are added of all the known species.

Illustrated key to the genera included in the tribe Acanthocephalini (Hemiptera: Heteroptera: Coreidae: Coreinae), with descriptions of three new genera, seven new species, new taxonomic rearrangements, and a key to genera of Placoscelini.

Three new genera and seven new species of Acanthocephalini Stl (Hemiptera: Heteroptera: Coreidae) are described: Anomalopetalops with three new species, A. brulei (French Guiana), A. ariquemesus (Brazil), and A. diamantinus (Brazil); Antipetalops with two new species, A. colombianus (Colombia), and A. discretus (Bolivia); and Cryptopetalops with two new species, C. llorentei (Brazil and French Guiana), and C. pluteus (Peru). Dorsal habitus photographs, and keys to the new species of each genus are added. Dorsal habitus photographs and a key to the 18 known genera of Acanthocephalini are given. Placophyllopus Blte, 1938 is synonymized under Meluchopetalops Breddin, 1903. Placophyllopus cothurnatus Blte, 1938 is considered a junior synonym of Meluchopetalops banausus Breddin, 1903. Bermejanus Brailovsky, 2018 is transferred to the tribe Placoscelini, and a key to the known genera of that tribe is provided.

Review of the genus Bubaces (Hemiptera: Heteroptera: Rhyparochromidae: Lethaeini) with descriptions of three new species, new distributional records, and key to species.

The genus Bubaces Distant, 1893 is reviewed and three new species are described: B. gloriosus sp. nov., from Costa Rica (Puntarenas Province) and Mexico (Campeche, Chiapas, Guerrero, Oaxaca, and Veracruz), B. occidentalis sp. nov., from Mexico (Colima, Guerrero, Jalisco, and Michoacan) and B. rostralis sp. nov., from Mexico (Quintana Roo). Additional state faunistic records of the previously described species B. castaneus, B. convergens, B. enatus and B. uhleri are provided. Photographs of the dorsal habitus, the male genital capsule, and the parameres are included, as well as close up photos of the metathoracic scent glands of both sexes. A key to species of the genus is provided.

A review of the Coreidae of Hispaniola (Hemiptera: Heteroptera), with description of one new species, new distributional records, and a key to the subfamilies, tribes, genera and species.

A faunistic survey of the Hispaniolan bugs of the family Coreidae is presented based on the study of over 1000 specimens deposited in several entomological collections. The new species Zicca gloriosa sp. nov. is described from the Dominican Republic. Another 12 species are new records for the island, 11 of them being new records for the Dominican Republic: Althos obscurator (Fabricius, 1803), Anasa acutangula Stål, 1870, Anasa tristis (De Geer, 1773), Eubule spartocerana Brailovsky, 1992, Leptoglossus confusus Alayo Grillo, 1977, Mamurius cubanus Barber Bruner, 1947, Merocoris distinctus Dallas, 1852, Merocoris typhaeus (Fabricius, 1798), Phthia rubropicta (Westwood, 1842), Sethenira ferruginea Stål, 1870, and Zicca rubricator rubricator (Fabricius, 1803). New records for Haiti are Anasa scorbutica (Fabricius, 1798), Catorhintha selector Stål, 1859, Chariesterus gracilicornis Stål, 1870, Rhytidophthia splendida (Valdes, 1910) and Zicca taeniola (Dallas, 1852). The literature citations presented in Perez-Gelabert (2008) of Leptoglossus cinctus (Herrich-Schäffer, 1836) and Leptoglossus stigma (Herbst, 1784) are probably based on erroneous identifications and not counted as part of the Hispaniolan fauna. The total number of species presently known from Hispaniola is raised to 28. Key to subfamilies, tribes, genera and species are included, as well as color dorsal habitus.

Illustrated identification key to the genera of New World Micrelytrini (Hemiptera: Alydidae: Micrelytrinae), with description of two new genera, one new species and new distributional records.

Two new genera, Nepiomistus, gen. nov., and Protenoroides, gen. nov., and one new species, Nepiomistus eximius, sp. nov., from Ecuador are described. Protenoroides is used to accomodate a species previously included in the binomen Protenor tropicalis Distant, 1881. New distributional records for Esperanza texana Barber, 1906 and Protenor australis, Hussey, 1925 are included. Photographs of the dorsal and lateral habitus, a close up of the head and thorax in lateral view, and the parameres of the genera included in the New World Micrelytrini are presented. An illustrated identification key for the 13 genera included in the New World Micrelytrini is added.

A revision of the Costa Rican species of Stenoeurilla Brailovsky Barrera (Hemiptera: Heteroptera: Coreidae: Stenoscelideini), with the description of two new species, new distributional records, synonymical note, and key to the known species.

The genus Stenoeurilla Brailovsky Barrera (Coreidae) in Costa Rica is revised. Two new species, S. herediana, and S. mesoamericana, are described. New distributional records for S. hansoni are added. A key to the known species of the genus is included. Photographs of dorsal habitus, male genital capsule and parameres are provided as well as drawings of hind tibiae. Stenoscelidea prolixa Brailovsky 1983 is placed in synonymy under Stenoeurilla aenescens (Stål) 1870.

Zygochrimnushenryi, a new genus and species from South America (Hemiptera, Lygaeoidea, Lygaeidae).

Zygochrimnushenryi, new genus and new species, is described from Ecuador and Peru, and included in the lygaeid subfamily Lygaeinae. Dorsal and lateral view photographs of Melanopleurus, Melanopleuroides, and Zygochrimnus are provided to allow comparison of the three closely related genera; photographs of the posterior view of the pygophore and the paramere of the new species are included.

The genus Ctenomelynthus (Hemiptera: Heteroptera: Coreidae: Acanthocephalini), with the description of three new species and key to the known species.

The genus Ctenomelynthus Breddin (1903) is redescribed, and three new species: C. sanchezi from French Guiana, and Venezuela, C. urbinus from Brazil, and C. venustulus from Suriname are described. Ctenomelynthus willineri (Kormilev, 1952), is synonymized under C. coxalis Breddin, 1903. One species, C. bridarollii (Kormilev) is designated as a nomen dubium. New distributional records for C. brunneiventris Breddin, C. coxalis Breddin, and C. inermibus (Distant) are included. Dorsal and ventral photographs and parameres of some species are included. A key to the six known species is given.

A review of the Mexican species of Alloeorhynchus Fieber (Hemiptera: Heteroptera: Nabidae: Prostemmatinae) with description of six new species, new distributional records, and key to the species.

The genus Alloeorhynchus Fieber (Nabidae) from Mexico is revised. Three species A. moritzii, A. nigrofasciatus and A. nigrolobus are recorded for the first time from Mexico. Six new species are described: A. aureus (from Chiapas and Veracuz), A. bellatulus (from Chiapas and Oaxaca), A. convolutus (from Oaxaca and Veracruz), A. epigaeus (from Guerrero, Michoacan and Oaxaca), A. macer (from Colima, Jalisco and Sonora), and A. vergrandis (from Chiapas and Veracruz). New distributional records for A. trimacula (Stein), the only previously known Mexican species, are added. A key to the species recorded from Mexico is included. Notes on the biology of some species are given. Pictures of the dorsal habitus and parameres are provided.

A review of the Geocoridae of Mexico (Hemiptera: Heteroptera: Lygaeoidea), with descriptions of four new species, new distributional records, and a key to the known subfamilies, tribes, genera and species.

The family Geocoridae (Hemiptera: Heteroptera: Lygaeoidea) from Mexico is revised. Two subfamilies, one tribe, four genera, and fifteen species are treated in detail and descriptions or redescriptions are provided for all. Four new species of Geocoris are described: G. cervantesi (from Baja California), G. coahuilensis (from Coahuila), G. nuevoleonensis (from Nuevo Leon), and G. signoretae (from Aguascalientes, Hidalgo, and Puebla). The subspecies Geocoris thoracicus wickhami (Montandon) is considered a junior synonym of the nominal species G. thoracicus (Fieber). Key to subfamilies, tribes, genera and species recorded from Mexico are included. New distributional records for all of the previously known species are added. Isthmocoris slevini (Van Duzee) and I. tristis (Stål) are recorded for the first time from Mexico. Notes on the biology of most of the species are included. Color dorsal habitus photos, as well as drawings of the paramere, are included to aid in the identification of the species.

Review of the genus Arhaphe (Hemiptera: Heteroptera: Largidae) with descriptions of nine new species from Central America.

Nine new species of the genus Arhaphe Herrich-Schaeffer, 1850 are described: A. ferruginea sp. nov. from Mexico (Guerrero), A. flavoantennata sp. nov. from Costa Rica (Guanacaste Province), Honduras (Intibuca Department) and Nicaragua (Granada Province), A. hirsuta sp. nov. from Mexico (Oaxaca), A. kmenti sp. nov. from Mexico (Guanajuato, Michoacán), A. longula sp. nov. from Mexico (Guerrero), A. magna sp. nov. from Mexico (Colima), A. myrmicoides sp. nov. from Mexico (Guerrero, Nayarit), A. oaxacana sp. nov. from Mexico (Oaxaca), and A. pilifera sp. nov. from Mexico (Nayarit). The fifth instar larvae of A. arguta (Bliven, 1956), A. carolina Herrich-Schaeffer, 1850, A. cicindeloides Walker, 1873, A. flavoantennata sp. nov., A. mexicana Halstead, 1972, and A. morelensis Brailovsky & Marquez, 1974 are described. Additional state faunistic records of the already described species are provided: A. arguta (Bliven, 1956) (Mexico: Guanajuato, Sonora), A. capitata Halstead, 1972 (Costa Rica; Mexico: Chiapas, Estado de México, Guerrero, Michoacán, Oaxaca, Puebla), A. carolina Herrich-Schaeffer, 1850 (Mexico: Guanajuato, Tamaulipas), A. cicindeloides Walker, 1873 (Mexico: Hidalgo, Querétaro), A. deviatica Brailovsky, 1981 (Nicaragua), A. furcata Brailovsky, 1981 (Mexico: Michoacán), A. halsteadi Brailovsky, 1981 (Mexico: Oaxaca), A. mimetica Barber, 1911 (Mexico: Chihuahua), A. morelensis Brailovsky & Marquez, 1974 (Mexico: Estado de México, Guerrero, Puebla), and A. rustica Brailovsky, 1981 (Mexico: Morelos, Oaxaca).

The genus Anisoscelis Latreille (Hemiptera: Heteroptera: Coreidae: Coreinae: Anisoscelini): new species, taxonomical arrangements, distributional records and key.

Anisoscelis currently comprises nine species and has been recorded from Texas (here recorded for the first time) on the south of the United States of North America across Mexico, Central and South America, but absent in Chile and the Great and Lesser Antilles; Anisoscelis (Bitta) flavolineatus Blanchard, 1849 is placed in synonym under Anisoscelis (Bitta) alipes Guérin-Méneville, 1831, and Anisoscelis (Bitta) flavolineatus osunai Brailovsky and Mayorga, 1995 is placed in synonymy under Anisoscelis (Bitta) hymenipherus Westwood, 1840; Anisoscelis (Anisoscelis) marginellus (Dallas) previously considered a subspecies under Anisoscelis (Anisoscelis) foliaceus (Fabricius) is removed to specific rank; a new species A. (Bitta) luridus from México is described. Photographs of dorsal habitus and parameres and key to the known species are included. New distributional records for most of the species are given; food plants records are included with an apparent trophic preferences for member of the genus Passiflora. A complete checklist, with subgeneric position of each species is given.

Eremocoris juquilianus a new bug species from the mountains in Oaxaca, Mexico (Hemiptera: Rhyparochromidae: Drymini): with description of the immature stages.

The genus Eremocoris Fieber is represented by 43 species, and three subspecies, 14 and 3 are Palearctic, 5 Oriental, 3 Afrotropical and 21 Nearctic. 14 species are recorded in Mexico.  This contribution contains descriptions and illustrations of the adult and all immature stages of Eremocoris juquilianus sp. nov. and notes on its biology, habitat, and distribution in Mexico.