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ARAUJO, WALTER S. DE; FERNANDES, GERALDO W.  and  SANTOS, JEAN C.. An overview of inventories of gall-inducing insects in Brazil: looking for patterns and identifying knowledge gaps. An. Acad. Bras. Ciênc. [online]. 2019, vol.91, n.1, e20180162.  Epub Mar 21, 2019. ISSN 0001-3765.

We compiled published Brazilian gall-inducing insect inventories aiming to understand trends and biases in this field research and to investigate the factors that potentially explain the diversity of gall-inducing insects among different sampling sites. A total of 51 studies with gall-inducing insect inventories were compiled for Brazil, which sampled 151 sites in 88 municipalities, 13 states and five regions. The number of papers published on gall-inducing insects per year has increased over the last 30 years, being Cecidomyiidae (Diptera) the main galling taxon, Fabaceae the main host-plant family and Protium heptaphyllum (Burseraceae) the most important super-host species in these inventories. We found a great bias in the geographical distribution of Brazilian inventories, with the majority of studies in the Southeast region, and Atlantic Forest and Cerrado biomes. The total richness of gall-inducing insects differed significantly among regions and biomes, with higher gall richnesses being recorded in the North region and Amazon biome. However, Brazilian regions and biomes did not vary in richness of gall-inducing insect morphotypes per plant species. According our results, sampling by cecidologists in less studied regions of Brazil is needed, particularly in the North and South regions and subsampled biomes such as the Amazon, Pampas and Pantanal.

Keywords : Atlantic Forest; Cecidomyiidae; Cerrado; Fabaceae; gall-inducing insects.

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