Caldencyrtus, Noyes & Hanson, 1996

Noyes, John Stuart, 2023, 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), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 627

Key to Costa Rican species of Caldencyrtus

(Females and males)

1. Clava 3-segmented (e.g. Figs 1705, 1715, 1723, 1741) (females) ................................. 2

- Clava 2-segmented (Figs 1729, 1737, 1743) (males; known only for previously described new species) ......................................................................................................... 7

FEMALES

2. Frontovertex, lower face and interantennal prominence with numerous distinct, large piliferous punctures giving appearance of surface of thimble or golf ball (Figs 1704, 1709); punctures generally at least about 0.5X diameter of ocellus .......... 3

- Frontovertex, face and interantennal prominence with shallow, inconspicuous piliferous punctures (Figs 1718, 1732), at most two or three distinct punctures below anterior ocellus .................................................................................................................. 4

3 (2) Piliferous punctures relatively small, mostly separated by about half their own diameters (Fig. 1704); flagellum about 1.5X head width, F1 at least about 1.3X as long as pedicel; mid femur and tibia completely pale orange ......... balor sp.nov. (p. 628)

- Piliferous punctures relatively large, those on frontovertex nearly touching;(Fig. 1709); flagellum about 1.1X head width, F1 about as long as pedicel; mid femur mostly dark brown, tibia proximally orange-brown, apically pale orange ......................... ....................................................................................... meresmo sp.nov. (p. 629)

4 (2) Scape (Fig. 1715) almost completely pale orange and at least 5X as long as broad ......... ............................................................................................ olwen sp.nov. (p. 631)

- Scape ( Figs 1, 1723, 1724, 1741) mostly dark brown and not more than 4X as long as broad .................................................................................................................... 4

5 (4) Fore tibia mostly or completely yellow or pale orange, hind tibia with at least distal one- third yellow or pale orange ............................. acamas Noyes & Hanson (p. 632)

- Fore tibia mostly dark brown, hind tibia more or less completely dark brown .............. 5

6 (5) Antenna ( Fig. 1) with F1 about 2X as long as broad, F6 at least one-third longer than broad; syntergum at least nearly as long as mid tibia; scutellum with colours fairly uniform throughout ....................................... antander Noyes & Hanson (p. 633)

- Antenna (Fig. 1741) with F1 not more than about 1.5X as long as broad, F6 quadrate or transverse; syntergum not more than 0.75X as long as mid tibia; scutellum with anterior half conspicuously duller than brighter posterior half ............................... ....................................................................... mitchelli Noyes & Hanson (p. 634)