K. S. Ramos

Publications20
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Citations67
Highly Influential Citations2
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Taxonomic revision and phylogenetic relationships of the bee genus Parapsaenythia Friese (Hymenoptera, Apidae, Protandrenini), with biogeographic inferences for the South American Chacoan Subregion
TLDR
The species of Parapsaenythia are revised, with seven species recognized, of which three are described as new, and a cladistic biogeographic analysis was performed, and area cladograms for the Chacoan subregion are presented and discussed.
Three new bee species of Rhophitulus Ducke (Hymenoptera, Apidae, Protandrenini) from Argentina and Brazil.
TLDR
Three newly discovered species of Rhophitulus Ducke, 1907 are described and modifications in the morphology of a female of R. xenopalpus n.
The bee genus Arhysosage Brèthes (Apidae: Andreninae: Calliopsini): new species, taxonomic notes and new distribution records from Brazil
A new species, Arhysosage biguttulata sp. nov., is described and illustrated based on adult specimens collected in the Chaco region of Mato Grosso do Sul State, Brazil. This new species can be…
Psaenythisca, a New Genus of Bees from South America (Apoidea: Andrenidae: Protandrenini) with a Description of the Nesting Biology and Immature Stages of One Species
TLDR
Psaenythisca is closely related to Cephalurgus and Rhophitulus, and can be distinguished mainly by the forewing with three submarginal cells, premarginal area of S2 to S5 of male with dense pubescence, distal margin of S6 of male slightly emarginated, and male genitalia with relatively broad basal sclerite.
Checklist of the genera of Hymenoptera (Insecta) from Espírito Santo, Brazil
E apresentado uma lista dos generos de Hymenoptera do Espirito Santo, Brasil pela primeira vez. Foram listados 955 generos de Hymenoptera, dos quais 547 (57%) sao citados pela primeira vez para este…
A new species of Protandrena Cockerell from Brazil (Hymenoptera, Apidae, Andreninae)*
TLDR
This species is unique within Protandrena for its well-developed pronotal lamella, similar to what is found in Pseudopanurgus and Parapsaenythia, and by its protuberant interantennal area.
Taxonomic revision of Parasarus (Hymenoptera: Apidae s.l.: Protandrenini), a South American genus of bees
TLDR
In this paper, a taxonomic revision of Parasarus is presented and two new species are described: P. specularis sp.
Two new records of Gynandromorphs in Xylocopa (Hymenoptera, Apidae s.l.)
Two new records of gynandromorphs in Xylocopa Latreille, 1802 (Hymenoptera, Apidae). Gynandromorphs are deviant morphological individuals with genetically distinct male and female tissues. Records of…
Tegumentar glands associated to foveae in the second metasomal tergum of Panurgillus Moure (Apoidea, Andrenidae, Panurginae)
TLDR
The histological analysis has shown that the region of the lateral foveae of the T2, of female and male of the three species, presented tegumentar specializations.
Two New Species of Anthrenoides Ducke, 1907 (Hymenoptera: Apidae: Andreninae) with a Checklist of Andrenine Bees of Cerrado Savanna
TLDR
A checklist of andrenine bees from Cerrado is provided and two new species of Anthrenoides are described, one of which is associated with flowers of Alstroemeria gardneri (Alstroemeriaceae) which are used as a source of food and mating sites.
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