A cladistic analysis of Inaequalium (Coscarón & Wygodzinsky, 1984), with information on geographical distribution (Diptera: Simuliidae)

• Autor(a) principal: Strieder, Milton Norberto
• Data de Publicação: 2002
• Outros Autores: Py-Daniel, Victor
• Tipo de documento: Artigo
• Idioma: eng
• Título da fonte: Repositório Institucional do INPA
• Texto Completo: https://repositorio.inpa.gov.br/handle/1/14546
• topic: Animals; Central America; Classification; Female; Fly; Histology; Male; Phylogeny; Population Density; South America; Animal; Central America; Female; Male; Phylogeny; Population Density; Simuliidae; South America

The black flies of the genus Inaequalium present a Neotropical distribution, with Panama at the northern limit, and the Argentinian pampas at the southern, but do not occur in the Central Amazon. This study offers a cladistic analysis establishing a hypothesis of relationships between the species of Inaequalium. A total of 37 characters have been considered in order to establish the hypothetic phylogenetic relationships. Cerqueirellum (Py-Daniel, 1983) was considered as outgroup. Data were analyzed using Henning 86 version 1.5. Wich the ie* command and implicit enumeration a unique possible cladogram was obtained in Inaequalium with 52 steps, and a Cl of 0.76 and RI of 0.81. Two well-defined clades was obtained in the resulting cladogram, the "botulibranchium" species-group, includes I. travassosi, I. souzalopesi, I. botulibranchium and I. petropoliense, and the "inaequale" species-group, includes I. rappae, I. nahimi, I. inaequale, 1. leopoldense, I. subnigrum, 1. diversibranchium, I. mariavulcanoae, I. nogueirai, I. beaupertuyi, I. clavibranchium and I. subclavibranchium.