We provide an illustrated key of species of Dendroctonus Erichson from Mexico and Central America based on characters of the male genitalia and external morphology. The key incorporates newly identified diagnostic characters for this genus that enhance discrimination of particularly difficult sibling species.

The Australasian Annulipes Complex is the most species-rich among Anopheles mosquitoes, with at least 15 sibling species suspected. Members of this complex are the most likely vectors of malaria in the past in southern Australia and are involved in the spread of myxomatosis among rabbits. In this, the first comprehensive molecular study of the Annulipes Complex, 23 ITS2 rDNA variants were detec...

Benjamin C. Victor and John E. Randall (2010) Gramma dejongi sp. nov., a new Basslet (Perciformes: Grammatidae) from Cuba, a sympatric sibling species of G. loreto. Zoological Studies 49(6): 865-871. Gramma dejongi is described as a new species of basslet from deep reefs off the town of Trinidad, along the southcentral coast of Cuba. The species is closely-related to the common and widespread R...

Lumpers, focussing between gross and molecular morphologies neglecting fine phenomics, highly underestimate biodiversity. The outdated lumper’s attitude fixed in the Distribution Atlas of European Trichoptera (Neu et al. 2018) is revisited some theoretical background why how to delineate phylogenetic-retigenetic incipient species outlined very briefly. We expose adverse effect lumpers order imp...

Holometabolous insects pass through a sedentary pupal stage and often choose a location for pupation that is different from the site of larval feeding. We have characterized a difference in pupariation site choice within and between sibling species of Drosophila. We found that, in nature, Drosophila sechellia pupariate within their host fruit, Morinda citrifolia, and that they perform this beha...