Abstract
Abstract: Most Neotropical species of Cecidomyiidae (Diptera) have been described from Brazil, but a list of species with occurrence in the country has never been published. Little is known about their distribution and richness in the Brazilian phytogeographic domains. Additionally, a list of host plant species has never been gathered. The present study aims to fill these knowledge gaps and provides an overview of this family in Brazil. For this, data were obtained mainly from the literature, but also from the Cecidomyiidae collection of Museu Nacional and two herbaria (RB and R). Based on the site "Flora do Brasil 2020", botanical names were updated and plant species origin and distribution were verified. A total of 265 gall midge species have been recorded in Brazil, most from the Atlantic Forest (183), followed by Cerrado (60), and Amazon Forest (29). The other phytogeographic domains shelter from five to ten species. Phytophagous gall midges occur on 128 plant species of 52 families, almost all native, being 43 endemic to Brazil (21 endemic to Atlantic Forest, five to Cerrado, and one to Amazon). Although, the taxonomical knowledge is focused on the Atlantic Forest, each domain has its own fauna composition and these informations can be useful for environmental conservational purposes. About 58% of the Brazilian fauna are known only from the type-locality. In order to fill these gaps, it is necessary and important to collect in uninvestigated areas.
Highlights
MethodsThe last version of the world catalog of Cecidomyiidae written by Gagné & Jaschhof 2017 was used as starting point
Cecidomyiidae are one of the most speciose families of Diptera, with more than 6,500 species
A literature survey was performed on the database “Web of Science” using “Cecidomyiidae” and “Brazil/Brasil” as key words in order to verify the gall midge species described after 2017
Summary
The last version of the world catalog of Cecidomyiidae written by Gagné & Jaschhof 2017 was used as starting point. Papers with the original description of each species were consulted to obtain more detailed data on its occurrence localities. Based on the site “Flora do Brasil 2020”, botanical names were updated and plant species origin and distribution were verified. Synonyms were provided in brackets after the correct names to allow linking of retrieved data to the original publications. All insect gall inventories of Brazil were consulted to recover information about locality records of the gall midge species, based on host plant species and gall morphology, whenever possible, or on gall-inducer identification. Data on phytogeographic domains were obtained using maps of IBGE 2004 or directly from the literature. When gall midge species were recorded in localities occupied by two different domains, both were considered as part of their distributional area
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