ABSTRACT
Scolytus unicornis, a new species of Scolytus Geoffroy from Yunnan, China, is described and illustrated. Three DNA barcoding sequences (COI, 28S, CAD) of this species are provided. The new species is distinguished from other Asian Scolytus species by the longitudinal wrinkles on the frons only in the area below the eyes, a large median spine situated in the middle of the ventrite 2 base, and female frons with a slightly raised blunt tubercle above the epistoma.
Subject(s)
Coleoptera , Weevils , Female , Animals , Weevils/genetics , ChinaABSTRACT
One new species of Neotropical Premnobius Eichhoff is described: P. brownei Atkinson & Flechtmann from Brazil. The presence of the related genus Premnophilus Browne is confirmed from South America and six new species are described: P. bertii Atkinson & Flechtmann from Brazil, P. jordali Petrov from Peru, P. maiai Atkinson & Flechtmann from Brazil, P. pedrosai Atkinson & Flechtmann from Brazil, P. sarahsmithae Atkinson & Flechtmann from Brazil and Trinidad and Tobago, and P. wilsoni Atkinson & Flechtmann from Brazil. French Guiana, and Peru. Gnathotrupes megapunctatus Bright, 2019 is recognized as a synonym of Premnobius perezdelacruceii Petrov & Atkinson, 2018. A synopsis of previously described Premnobius species and keys to species in both genera are presented. Generic characters for the three genera of Neotropical Ipini are discussed.
Subject(s)
Coleoptera , Weevils , AnimalsABSTRACT
A new genus and species, Unguitarsonemus paradoxus n. gen., n. sp. and a new species, Pseudotarsonemoides peruviensis n. sp. (Acari: Trombidiformes: Tarsonemidae), are described based on phoretic females collected on bark beetles Phloeotribus pilula and Ph. biguttatus, respectively, from Peru. A key to species of the genus Pseudotarsonemoides is provided.
