ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera) Author Noyes, John Stuart text Taxonomic Monographs on Neotropical Hymenoptera 2023 Oxford, England 2023-06-30 2 11 5228 5239 http://dx.doi.org/10.5281/zenodo.8074943 journal article 10.5281/zenodo.8074943 2754-9844 8074943 BCAD06E8-0AFE-46ED-B7FA-930983CD44C4 Key to Costa Rican species of Ammonoencyrtus (Females) 1. Hind basitarsus yellow, concolorous with following tarsomeres; pedicel (Figs 1303, 1312, 1317, 1318) with a dorsal margin distinctly produced in lateral view [best seen on slide-mounted specimen]; frontovertex, above transfacial carina, with more than 20 conspicuous setae, excluding those along eye margin ................... 2 - Hind basitarsus dark brown, contrasting with following tarsomeres that are yellow or pale orange; pedicel (Fig 1323, 1331, 1336) with dorsal margin not distinctly produced in lateral view [best seen on slide-mounted specimen]; frontovertex above transfacial carina with fewer than 15 setae, excluding those along eye margin ....................................................................................................................4 2 (1) Both mesoscutum and scutellum with a strong metallic dark green and blue-green sheen; sculpture on lateral one-third or so of scutellum very shallow and superficial, quite smooth and very shiny, contrasting strongly with much deeper sculpture on mesoscutum .................................................................. hyperion sp.nov. (p. 520) - Dorsum of thorax at most with a strong metallic sheen only on mesoscutum, scutellum orange; scutellum conspicuously sculptured, except on extreme side and apex, hardly shiny, with sculpture clearly deeper than that on mesoscutum ..................3 3 (2) Exserted part of ovipositor at least 1.5X as long as mid tibial spur, ovipositor about 2X as long as mid tibia; area above mouth margin pale orange ................................... ................................................................................... prosymnos sp.nov. (p. 522) - Exserted part of ovipositor not longer than mid tibial spur, ovipositor usually not more than about 1.7X as long as mid tibia; area above mouth margin dark brown (Fig. 1319) ....................................................................... carolinensis (Meyer) (p. 524) 4 (1) Antenna (Fig. 1323) with sensory area on clava shorter than ventral surface of clava .... .............................................................................................. keira sp.nov. (p. 526) - Antenna (Figs 1331, 1336) with sensory area on clava at least about 1.5X as long as ventral surface of clava ......................................................................................... 5 5 (4) All coxae dark brown, legs otherwise mostly dark brown; mesoscutum and scutellum dark brown, mesoscutum with a strong, metallic dark blue and purple sheen, scutellum somewhat duller, but with a strong metallic sheen on side and at apex. ............................................................................................. galas sp.nov. (p. 527) - At least mid coxa orange, legs otherwise orange with dusky areas; mesoscutum orange or dusky orange with a weak to moderate dark blue and purple sheen, scutellum orange, sometimes with side and apex slightly metallic ...................................... 6 6 (5) Mesoscutum dusky orange, but with a distinct metallic purple and green, blue or blue-green sheen and contrasting quite strongly with the orange scutellum; sensory area of clava (Fig. 1336) not more than about 2.3X as long as ventral margin (measured along straight ventral part) of clava; head less than 6X as wide as frontovertex .... ......................................................................................... xanthos sp.nov. (p. 529) - Mesoscutum concolourous with scutellum, orange and with a weak coppery purple sheen; sensory area of clava about 3X as long as ventral margin; head at least about 7X as wide as frontovertex .................................... autone sp.nov. (p. 531)