Hebynthus, Noyes, 2023

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 : 683-685

Key to Costa Rican species of Hebynthus

(females)

1. Hind tibia mostly dark brown ..........................................................................................2

- Hind tibia completely pale yellow or pale orange........................................................... 6

2 (1) Funicle (Figs 1877, 1886) with F1-F3 longer than broad; linear sensilla present on F2..3

- Funicle (Figs 1891, 1894, 1903) with at least F2-F3 transverse; linear sensilla absent from F2 .................................................................................................................4

3 (2) Head (Fig. 1880) not more than about 3X as wide as frontovertex; antenna (Fig. 1877) with F1 conspicuously smaller than F2, pedicel as long as F1 and F2 combined; fore wing (Fig. 1878) generally infused very pale brown, conspicuously infuscate below marginal and stigmal veins, the infuscation extending past apex of stigmal vein; ovipositor clearly exserted, the exserted part more than 0.5X as long as mid tibial spur, gonostylus about 1.5X as long as mid tibial spur ................................. ............................................................................................. kapo sp.nov. (p. 685)

- Head (Fig. 1882) at least abut 4.5X as wide as frontovertex; antenna (Fig. 1886) with F1 and F2 subequal, pedicel shorter than F1 and F2 combined; fore wing (Fig. 1884) generally infused pale yellow or pale yellow-brown, more strongly so in apical half, without a distinct infuscate area below marginal and stigmal veins; ovipositor hardly exserted, the exserted part not more than 0.25X as long as mid tibial spur; gonostylus about as long as mid tibial spur ........................ maros sp.nov. (p. 687)

4 (2) Scape (Fig. 1891) subcylindrical, more than 5X as long as broad; flagellum not unicolourous, funicle with F1-F5 orange-brown, F6 orange, clava dark brown; mid tibial spur clearly longer than basitarsus, nearly reaching apical margin of second tarsomere .............................................................. phyrra sp.nov. (p. 689)

- Scape (Figs 1894, 1903) broadened and flattened, less than 5X as long as broad; flagellum unicolourous dark brown; mid tibial spur about as long as basitarsus or shorter ... .............................................................................................................................. 5

5 (4) Sensory part of clava relatively small (Fig. 1894), not reaching more than 0.4X along ventral surface; fore wing (Fig. 1899) below marginal vein hyaline; malar sulcus absent .................................................................................. cleon sp.nov. (p. 690)

- Sensory part of clava relatively large (Fig. 1903), at least reaching half way along ventral surface; fore wing (Fig. 1906) with a small infuscate area below marginal vein that extends a little way below apex of stigmal vein; malar sulcus present .................. ............................................................................................. solex sp.nov. (p. 692)

6 (1) Fore coxa yellow or orange ............................................................................................ 7

- Fore coxa brown or mostly brown ...................................................................................8

7 (6) Mid and hind coxae yellow; antenna (Fig. 1913) with scape 6X as long as broad and all funicle segments slightly longer than broad or at least quadrate, linear sensilla on F2-F6; malar sulcus present ............................................ himalia sp.nov. (p. 694)

- Mid and hind coxae brown; antenna (Fig. 1920) with scape about 4X as long as broad and F1-F4 transverse, linear sensilla only on F5-F6; malar sulcus absent ............. ......................................................................................... cosmus sp.nov. (p. 696)

8 (6) Head (Fig. 1929) at least 6X as wide as frontovertex ................. menai sp.nov. (p. 698)

- Head (Figs 1936, 1944, 1948, 1957) not more than 5X as wide as frontovertex ........... 9

9 (8) Fore wing (Figs 1938, 1947) relatively slender, at least 2.5X as long as broad, ventral surface of costal cell with only a single line of setae in distal half; sensory part of clava extending at most about 0.4X along its ventral surface (Figs 1937, 1943); malar sulcus absent .............................................................................................10

- Fore wing (Figs 1954, 1960) less than 2.5X as long as broad; ventral surface of costal cell with two complete lines of setae; sensory part of clava extending at least about 0.5X as long its ventral surface (Figs 1952, 1959); malar sulcus present .......... 11

10 (9) Funicle with linear sensilla present only on F2-F6, absent from F1; hind coxa completely pale orange ............................................................................ cira sp.nov. (p. 700)

- Funicle with linear sensilla present on all segments; hind coxa at least partially dark brown ............................................................................. erythrax sp.nov. (p. 702)

11 (9) Hind coxa at least partially dark brown; fore and mid femora completely pale orange; head (Fig. 1948) about 4.5X as wide as frontovertex; scape about 7X as long as broad; mid tibia shorter than ovipositor ........................ callirhoe sp.nov. (p. 704)

- Hind coxa completely pale orange; fore and mid femora partially brown; head (Fig. 1957) about 3.5X as wide as frontovertex; scape about 6X as long as broad; mid tibia a little longer than ovipositor ................................. tamones sp.nov. (p. 706)