… species ranges from 427 to 577 (Da Silva, Rylands, & Fonseca, 2005; Godinho & da Silva,
2018), but our results suggest that this number is vastly underestimated. … and species richness …

… Our findings confirm that spatial patterns of endemism, rarity, and species richness within
the Madagascar biodiversity hotspot are poorly known. The protected area network of …

… Macroecological analyses based on databases with strong geographical bias are likely to
yield an underestimation of environmental effects, a misidentification of the main determinants …

… else we know about insect species richness. Perhaps most … belief in truly vast numbers of
undescribed species of insects. For … in richness in the tropics may have been underestimated. …

… Chao2 and rarefaction behaved very similar in all tests and significantly underestimated
true richness below 40% sampling fraction. SAR and SAD were less precise than Chao2 and …

… The vast majority of species are animals that, unlike most … inherent to estimating the species
richness of arthropods and … Such underestimation was unaffected by spatial gradients and …

… Until recently, published sources of climatic data for vast areas of the tropics were based
on … Our use of topographic relief is conservative in that it tends to underestimate the true …

… underestimate the true … species richness estimation and emphasize that for most terrestrial
arthropod taxa these discrepancies are of such a magnitude that estimated species richness …

… widespread species which has dispersed over vast areas in South America (Figure S2).
Nevertheless, it seems that widespread lineages are a minority (in our dataset 16 out of 53; 60 …

… species richness is expressed as the sum over observed and unobserved species of estimated
species-… A vast majority of species showed a unimodal flight period, which gives rise to a …