ABSTRACT
Two new species of Macrodactylus Dejean (Coleoptera: Scarabaeidae: Melolonthinae: Macrodactylini) from Mexico and Guatemala are described and illustrated: Macrodactylus miguelangeli new species from Mexico and Guatemala, and M. oaxacaensis new species from Mexico. With the descriptions of these two new species, the total number of species of the genus reaches 124. The characteristics of two closely related species are briefly discussed.
Subject(s)
Coleoptera , Animals , Guatemala , MexicoABSTRACT
Twenty species of Macrodactylus Dejean (Coleoptera: Scarabaeidae: Melolonthinae: Macrodactylini) from the Central American nucleus are described and illustrated, including two new species from Guatemala: Macrodactylus eniocanoi new species and Macrodactylus escuintlaensis new species. Macrodactylus hondurensis Arce-Pérez Morón is recorded for the first time from El Salvador. Diagnoses for 18 species previously recorded in the Central American nucleus are provided. A key to all known species of Macrodactylus of Central American nucleus and distributional maps are included.
Subject(s)
Coleoptera , Animals , United StatesABSTRACT
Fifteen species of Macrodactylus Dejean (Coleoptera: Scarabaeidae: Melolonthinae: Macrodactylini) from Costa Rica and Panama are described and illustrated, including eight new species: M. latreillei new species., M. pseudothoracicus new species. and M. dejeani new species from Costa Rica; M. solisi new species from Costa Rica and Panama; M. martinezi new species from Costa Rica and Venezuela; M. chiriquiensis new species and M. kunayalaensis new species from Panama; and M. moroni new species from Costa Rica, and Panama. Diagnosis for seven species previously recorded in Costa Rica and Panama are included, and a key to all known species of Macrodactylus in these countries is provided.
Subject(s)
Coleoptera , Animals , Costa Rica , Panama , VenezuelaABSTRACT
Two new species of Macrodactylus Dejean (Coleoptera: Scarabaeidae: Melolonthinae) from Bolivia are described and illustrated: M. megaphyllus new species (from Comarapa, Santa Cruz and Sehuenca, Cochabamba) and M. yunganus new species (from Mairana and Comarapa, Santa Cruz). In addition, the species Macrodactylus bolivianus Moser, M. gracilis Moser, and M. nobilis Frey are redescribed and illustrated to help facilitate identification of these species. A key to the 10 species of Macrodactylus presently known from Bolivia is provided.
Subject(s)
Coleoptera/classification , Animal Distribution , Animal Structures/anatomy & histology , Animal Structures/growth & development , Animals , Body Size , Bolivia , Coleoptera/anatomy & histology , Coleoptera/growth & development , Female , Male , Organ SizeABSTRACT
Two new species, Psephenops spiniparameri sp. nov. and P. shepardi sp. nov. are described, based on specimens collected from Cayo and Toledo Districts in Belize, bringing the total number of described species assigned to the genus to ten.
