Two new species of Nealiolus Mason (Hymenoptera, Braconidae, Brachistinae) reared from pest weevils (Coleoptera, Curculionidae) Author Shimbori, Eduardo M. Author Wengrat, Ana P. G. S. Author Savaris, Marcoandre Author Galvão, William B. Author Nanini, Frederico Author Garcia, Sarah S. P. Author Corrêa, Alberto S. text Zootaxa 2020 2020-01-28 4729 1 116 126 journal article 24229 10.11646/zootaxa.4729.1.8 6e58b963-16c5-4143-bc52-b5e911af4f87 1175-5326 3629072 53D586E2-9516-47E8-B033-A7D207CFEFF3 Key to species of Nealiolus Mason 1. Ovipositor sheaths shorter than carapace (=metasoma)........................................ N. crassipes (Martin) - Ovipositor sheaths at least 1.5 × longer than carapace......................................................... 2 2(1). Metasomal carapace strongly rugose-striate; large specimens with 4.5‒6.0 mm; antenna with 34 (males) or 35 antennomeres or more (females) ( mexicanus group)........................................................................ 3 - Metasoma less strongly sculptured, at least T3 partly smooth and polished; smaller specimens, usually less than 4.0 mm; antenna with less than 33 antennomeres ( curculionis group)..................................................... 5 3(2). Face with short median carina extending upward from fronto-clypeal sulcus; ovipositor 1.5 × longer than carapace............................................................................................ N. acutulus (Martin) - Face without such median carina, but with a short media carina between toruli; ovipositor about 2.0 × longer than carapace.. ................................................................................................... 4 4(3). Mesosoma black; propodeum without defined areola (“scabrous”)............................ N. mexicanus (Cresson) - Mesosoma at least partly brownish yellow (pro and mesonotum always); propodeum mostly smooth with well-defined pentagonal areola. Parasitoids of Conotrachelus sp.................................................. N. jaboticaba sp. n. 5(3). Tegula black, relatively large and distinctly projecting laterally................................................. 6 - Tegula pale, and normally developed...................................................................... 7 6(5). Fore wing vein r (first abcissa of radius) about 0.55‒0.60 × vein (RS+M)b (second abcissa of cubitus); antenna with 29 anten- nomeres; T2 medially and T3 nearly entirely smooth and polished. Parasitoids of Phymatophosus squameus ................................................................................................... N. chayohtli sp. n. - Fore wing vein r equal to vein (RS+M)b; antenna with 27 antennomeres; all three carapace terga finely striate, although weaker sculpturing in T3.................................................................... N. auriculatus (Martin) 7(5). T3 entirely smooth and polished; entirely reddish-yellow........................................ N. collaris (Brues) - T3 at least partly sculptured with striation; at least metasoma dark brown or black.................................. 8 8(7). Head and mesosoma reddish-yellow, all femora dark brown to black and hind tibia mostly black with whitish basal annulus; ovipositor sheaths 2.5 × longer than carapace................................................... N. rufus (Riley) - Head and mesosoma dark brown, all femora entirely yellowish-brown (except apically on hind femur occasionally darker) and hind tibia without basal whitish annulus; ovipositor sheaths about 2.0 × longer than carapace........ N. curculionis (Fitch)