Predator avoidance is often a key factor in the behavior of North American cicadas. In the protoperiodical genus OkanaganaDistant, 1905, several species synchronize emergences based on a cumulative rainfall emergence threshold, avoiding predators via a selfish herd. One of these species, O. magnificaDavis, 1919, extends its range beyond that of its synchronizing cohorts. The hypothesis is tested that outside of sympatry with these species, O. magnifica would lose a rainfall-based emergence pattern. Using multiple databases, locations of consecutive emergences of O. magnifica are identified. The cumulative rainfall between emergences is calculated and compared to a known emergence threshold of 1181 millimeters. The results show that non-sympatric populations have a protoperiodical lifecycle that is independent of rainfall yet does not follow a strict resource accumulation phenology. These two strategies form allochronically isolated populations with a boundary reinforced by the presence of co-synchronizing species.

Three new species from Ecuador are described: America spinosa and America tuberevexa, from Napo Province, and Elytrimitatrix (G.) franki, from Loja Province. America biplagiata (Villiers, 1958), a species known only from the holotype, is redescribed based on males and females. The unknown male of Paracometes solangeaeBotero & Almeida, 2019 is described and illustrated by the first time. Distenia (D.) normaeBotero & Almeida, 2019 is proposed as a junior synonym of America wappesiSantos-Silva & Tavakilian, 2009. Moreover, the known geographical distributions of 10 species of Disteniidae are expanded.

A new species, Meotipa capacifabasp. nov., is described from the Nonggang National Nature Reserve, Guangxi Zhuang Autonomous Region, China. This new species is diagnosed, described and illustrated with photographs and ink drawings, and a distribution map of all known Meotipa species in China is provided. This increases the number of Meotipa species in China to five.

A new species of leaf beetle, Monoxia andrewsi sp. nov. (Chrysomelidae: Galerucinae: Galerucini) from the coast of southern Texas, USA, is described and illustrated. The new species is compared to M. elegans Blake, 1939, the most-similar described species. It is associated with Atriplex (Amaranthaceae) growing adjacent to coastal saline habitats.

Vizcainyxgen. nov., and six new species (V. andrewsisp. nov., V. australissp. nov., V. brownisp. nov., V. clarkisp. nov., V. insularissp. nov., V. peninsularissp. nov.) in the tribe Edrotini are described from Baja California and Baja California Sur, Mexico. Three of the six species occur on islands: two are island endemics and the third is found both on islands and the adjacent mainland. A key to the species and distribution map are provided.

A new species of DysphengesHorn, 1894 is described from Guatemala. Dysphenges vittatus (Jacoby, 1891), new combination, is transferred from CyrsylusJacoby, 1891. Habitus and male genitalia images are provided for both species, and a revised key to the known species of Dysphenges is provided.

Acmaeodera abdita Westcott, sp. nov. and Acmaeodera andrewsi Westcott, sp. nov. are described from central and southern Mexico, respectively. Acmaeodera pictaWaterhouse, 1882 is synonymized under Acmaeodera scalaris Mannerheim, 1837, and the history of the former name is discussed.

Apteroyinga andrewsi, gen. nov. & sp. nov., is described and illustrated from Costa Rica. The genus is placed in the section Coelomerites Chapuis, 1875 of the tribe Galerucini Latreille, 1802. The beetles are flightless.

A new genus, Andrewsena Smith, gen. nov., containing two new species: Andrewsena limpidistigma Smith, sp. nov. and Andrewsena crena Smith, sp. nov., is added to the family Ammoplanidae in the order Hymenoptera. An updated key to the genera of North American Ammoplanidae and a key to the species of Andrewsena are included.