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 Gahaniella (Females) 1. Fore coxa white, fore femur white; reticulate sculpture on mesoscutum very coarse, scutellum (Fig. 1389) with coarse polygonally reticulate to striate-reticulate sculpture ...................................................................... chaldenes sp.nov. (p. 549) - Fore coxa brown, fore femur mostly brown; reticulate sculpture on mesoscutum shallow, scutellum with polygonally reticulate to striate sculpture ................................... 2 2. Costal cell of forewing (Fig. 1397) dorsally with at least two lines of setae in apical half; linea calva more or less closed posteriorly ......... californica Timberlake (p. 551) - Costal cell of fore wing (Fig. 1401) dorsally with only submarginal line of setae in apical half; linea calva open posteriorly .......................... saissetiae Timberlake (p. 552)