Identification of second instar larvae of Panchaetothripinae (Thysanoptera Thripidae) in Brazil and Argentina Author Lima, Élison Fabrício B. Universidade Federal do Piauí, Campus Amílcar Ferreira Sobral, Coleção de História Natural da UFPI. BR 343, Km 3.5. Floriano, PI, Brazil. 64808 - 605. Author O’Donnell, Cheryle A. United States Department of Agriculture, Animal and Plant Health Inspection Service, Plant Protection and Quarantine, Plant Health Programs, National Identification Services. 10300 Baltimore Avenue, Beltlsville, MD, USA. 20705. Author Sousa, Yago Lucas C. Universidade Federal do Piauí, Campus Amílcar Ferreira Sobral, Coleção de História Natural da UFPI. BR 343, Km 3.5. Floriano, PI, Brazil. 64808 - 605. Author Zamar, María Inés Instituto de Biología de la Altura, Universidad Nacional de Jujuy. Avenida Bolivia 1661, San Salvador de Jujuy, Argentina. 4600. text Zootaxa 2021 2021-10-01 5047 4 453 464 journal article 10.11646/zootaxa.5047.4.5 1175-5326 5543069 AEE40945-007F-431F-AC14-820B915DF906 Retithrips syriacus (Mayet) ( Fig. 4 , 34, 41 ) Head and pronotum golden brown with brown spots laterally; meso- and metanotum and abdominal segments I–V pale with red internal pigment; abdominal segment I with red internal pigment with a pair of white spots on lateral thirds; segments II–V with red internal pigment; segment VI pale; segments VII–X orange ( Fig. 4 ). Antennal segment III with setae shorter than the length of the segment. Dorsal setae with acute apex. Pronotum with no sclerotized blotch. Abdominal tergite II with spiracles; segment X with 16–18 anal setae about 2x longer than the length of the segment ( Fig. 41 ). Spiracles with no or one pore on facets ( Fig. 34 ). Individuals are available from Brazil from the states of São Paulo , Espírito Santo and Piauí from roses, Terminalia cattapa , grapes and Jatropha curcas (CHNUFPI) .