Phytoseiidae (Acari: Mesostigmata) of the subfamily Amblyseiinae from Brazil Author Lofego, Antonio Carlos Laboratório de Acarologia, Departamento de Ciências Biológicas, UNESP-Universidade Estadual Paulista, 15054 - 000, São José do Rio Preto, São Paulo, Brazil. Author Barbosa, Marina Ferraz De Camargo 0000-0001-7640-160X Laboratório de Acarologia, Departamento de Ciências Biológicas, UNESP-Universidade Estadual Paulista, 15054 - 000, São José do Rio Preto, São Paulo, Brazil. & Laboratório de Acarologia, Departamento de Entomologia e Acarologia, Escola Superior de Agricultura “ Luiz de Queiroz ” Universidade de São Paulo (ESALQ / USP), Av. Pádua Dias 11, 13418 - 900, Piracicaba-SP, Brazil. & marina ferraz @ usp br https // orcid org / 0000 - 0001 - 7640 - 160 X marina.ferraz@usp.br Author Demite, Peterson Rodrigo 0000-001-6376-5463 Laboratório de Acarologia, Departamento de Ciências Biológicas, UNESP-Universidade Estadual Paulista, 15054 - 000, São José do Rio Preto, São Paulo, Brazil. & Programa de Pós-Graduação em Zoologia Instituto de Biociências IB Universidade Federal de Mato Grosso UFMT 78060 - 900 Cuiabá Mato Grosso Brazil peterson _ demite @ yahoo com br https // orcid org / 0000 - 001 - 6376 - 5463 peterson_demite@yahoo.com.br Author Moraes, Gilberto José De 0000-0002-5587-1781 Laboratório de Acarologia, Departamento de Ciências Biológicas, UNESP-Universidade Estadual Paulista, 15054 - 000, São José do Rio Preto, São Paulo, Brazil. & Laboratório de Acarologia, Departamento de Entomologia e Acarologia, Escola Superior de Agricultura “ Luiz de Queiroz ” Universidade de São Paulo (ESALQ / USP), Av. Pádua Dias 11, 13418 - 900, Piracicaba-SP, Brazil. & Laboratório de Acarologia, Departamento de Ciências Biológicas, UNESP-Universidade Estadual Paulista, 15054 - 000, São José do Rio Preto, São Paulo, Brazil. & moraesg @ usp br https // orcid org / 0000 - 0002 - 5587 - 1781 Corresponding author ac lofego @ unesp br https // orcid org / 0000 - 0002 - 3495 - 6858 & Laboratório de Acarologia, Departamento de Ciências Biológicas, UNESP-Universidade Estadual Paulista, 15054 - 000, São José do Rio Preto, São Paulo, Brazil. moraesg@usp.br text Zootaxa 2024 2024-04-17 5439 1 1 306 http://dx.doi.org/10.11646/zootaxa.5439.1.1 journal article 10.11646/zootaxa.5439.1.1 1175-5334 35D1ECC2-84B7-431A-90C9-45BDC8D6FAED Serraseius Moraes, Barbosa & Castro Serraseius Moraes et al ., 2013: 314 . Type species. Serraseius caicara Moraes, Barbosa & Castro, 2013: 315 Main distinguishing characteristics. Dorsal shield mostly imbricate (smooth behind Z4 ). Idiosomal setal pattern 10A:7F/JV-3:ZV-3 ( J2 , Z1 and Zv3 absent); all dorsal idiosomal setae (including r3 and R1 ) serrate; most dorsal setae elongate, except j1 and J5 . Sternal shield lightly sclerotised, with anterior and posterior margins indistinct, but apparently with a lobe on posterior margin. Ventrianal shield ovoid, reduced, bearing only one pair or pre-anal setae ( Jv2 ). Spermathecal calyx cone-shaped (mentioned as funnel-shaped by Moraes et al , 2013 ). Fixed and movable cheliceral digits with two teeth each. Leg macrosetae absent. Male ventrianal shield with three pairs of pre-anal setae arranged in a triangular pattern; spermadactyl of the type L-shaped . Remarks. In the original description of this genus, it was mentioned to have the idiosomal setal pattern 10A:7D/ JV-3:ZV-3 ( J2 , S2 and Zv3 absent). In the description of the second species in this genus ( S . nordestinus Araujo & Oliveira, 2023 ), the seta considered previously to be Z1 was interpreted as S2 given that it was clearly closer to the liryfissure ids1 than to id1 . Hence, this genus seems to resemble the taxa placed in Neoseiulini , differing from them by lacking Z1 and by having very lightly sclerotised sternal shield, which apparently has a median lobe on the posterior margin. It also resembles Kampimodromini , differing by lacking Zv3 , by having S4 and c-shaped atrium of the spermatheca. The two species presently known in this genus were described from Brazil , from plants.