Abstract
Okalia necopinatasp. nov., from Sarawak, northwest Borneo, Malaysia, is described and illustrated along with an identification key. The standard barcoding fragment of the mitochondrial gene coding for cytochrome c oxidase subunit I (COI) was used together with morphological characters to delimit the taxonomic boundaries of the two known species, which live in shallow streams flowing through dense primary forests in limestone areas in Pahang (West Malaysia) and Sarawak (East Malaysia). The majority of all examined Okalia are flightless. Morphological distinguishing characters are the length of the granulated fifth elytral interval, the elytral and pronotal punctation, the aedeagal morphology, and the distal portion of the ovipositor.
Funder
Agentúra na Podporu Výskumu a Vývoja
Subject
Animal Science and Zoology,Ecology, Evolution, Behavior and Systematics
Reference13 articles.
1. DNA primers for amplification of mitochondrial cytochrome c oxidase subunit I from diverse metazoan invertebrates.;Folmer;Molecular Marine Biology and Biotechnology,1994
2. A comprehensive
DNA
barcode database for Central European beetles with a focus on Germany: adding more than 3500 identified species to BOLD
3. Description of two new riffle beetle genera from Peninsular Malaysia (Coleoptera: Elmidae).;Jäch;Koleopterologische Rundschau,1996
4. Graphosolus gen. nov. from Southeast Asia (Coleoptera: Elmidae).;Jäch;Entomological Problems,1996a
5. Three new riffle beetle genera from Borneo: Homalosolus, Loxostirus and Rhopalonychus (Insecta: Coleoptera: Elmidae).;Jäch;Annalen des Naturhistorischen Museums Wien B,1996b