Imeria CAMERON, 1903

Key to the Oriental species of Imeria CAMERON View in CoL View at ENA

1 Area basalis of propodeum absent and replaced by a median longitudinal ridge ( figs 39-40 View Figs 39-42 ). Lateral longitudinal carina of propodeum often ± absent. Flagellum of ♀ ± lanceolate, bristle-shaped in ³. Apical margin of clypeus usually ± upcurved laterally. Hind tarsus black or red. ........................................... Subgenus Imeria CAMERON, 1903 …2

- Area basalis of propodeum present, bordered by a carina laterally ( figs 41-42 View Figs 39-42 ). Lateral longitudinal carina of propodeum usually present. Apical margin of clypeus not or weakly upcurved laterally. Flagellum of ♀ and ³ bristle-shaped. Hind tarsus often ± ivory. ................................................................ Subgenus Caenojoppa CAMERON, 1905 7

2 Vertex with large ivory spot separated from eye ( figs 17, 21 View Figs 17-22 ).............................................3

- Vertex without ivory spot or if present then not separated from the eye ( figs 18-20, 22 View Figs 17-22 )....4

3 Mesoscutum black, without paramedian yellow spot (as fig. 29). 2 nd tergite longer than wide ( fig. 52 View Figs 48-52 ). Borneo, Malaysia. ............................................. I. levifrons CAMERON, 1907 View in CoL

- Mesoscutum black, with paramedian yellow spot (as fig. 30). 2 nd tergite wider than long ( fig. 46 View Figs 43-47 ). ³ unknown. Cambodia............................................... I. albitemplata nov.sp.

4 4 th to 7 th tergites with equally wide apical ivory bands ( fig. 47 View Figs 43-47 ). Mesoscutum black, with central ivory spot, sometimes weak in ³ (as fig. 30). Gena and outer orbit with long continous ivory stripe ( fig. 18 View Figs 17-22 ). Laos. ............................... I. albomaculatoides nov.sp.

- 4 th and 5 th tergites without or with narrow ivory apical margins, 7 th tergite mainly or completely ivory ( figs 43-45 View Figs 43-47 ). Mesoscutum entirely black, without ivory central spot (fig. 29). Gena often with ventral yellow spot, outer orbit usually black ( figs 19, 20, 22 View Figs 17-22 ).......................................................................................................................................5

5 Face except small brown central spot ivory ( fig. 10 View Figs 5-10 ). Metapleuron entirely yellow (fig. 35). Postscutellum black ( fig. 40 View Figs 39-42 ). Propodeum without apophysis. Hind femur stouter, not more than 4.1× as long as wide, red and widely infuscate basally and apically. Widespread in the Oriental region.......................................................... I. orientalis nov.sp.

- Face black, facial orbit with ivory spot or stripe ( figs 2 View Figs 1-2 , 7, 8 View Figs 5-10 ). Metapleuron black or red basally (figs 33-34). Postscutellum ivory. Propodeum with blunt apophysis. Hind femur slender, at least 4.3× as long as wide, red and slightly infuscate apically. ................6

6 6 th and 7 th tergites entirely ivory ( fig. 43 View Figs 43-47 ). Propodeum black, with ivory color pattern (fig. 33). Hind coxa black basally, ivory apically. India........................................................ ................................................................... I. albomaculata albomaculata CAMERON, 1903 View in CoL

- 6 th tergite with ± extended apical ivory band, 7 th tergite entirely ivory ( fig. 44 View Figs 43-47 ). Propodeum usually ± red, with ivory coloration (fig. 34). Hind coxa reddish, ivory apically. Taiwan. .............................................. I. albomaculata View in CoL formosana ( UCHIDA, 1930) View in CoL

7 Temple distinctly narrowed behind eye, rather short; head dorsally wider than long. Apophysis long. Tergites unicolorous reddish-brown, 5 th to 7 th tergites with indistinct yellowish margins. Sulawesi. ..................................................... I. caroni ( HEINRICH, 1934) View in CoL

- Temple slightly widened or narrowed behind eye, long; head dorsally almost cubical. Apophysis variously developed, sometimes absent. Tergites usually black, at least 2 nd, 3 rd and 7 th tergites with wide ivory bands............................................................................8

8 Hind tarsus reddish or black. Lateral carina of scutellum high and with dentiform basal elevation (fig. 3). Mesoscutum black (as fig. 29). Vertex with separate ivory spot (fig. 24). Postscutellum black or with ivory spot. Metapleuron black or with apical ivory spot. Area spiraculifera black. .............................................................................................9

- Hind tarsus ± ivory. Lateral carina of scutellum ± lamelliform but usually not dentiform basally. Mesoscutum often with central ivory spot or paramedian ivory stripe (figs 30-31). Vertex with or without separate ivory spot. Postscutellum ivory ( figs 41- 42 View Figs 39-42 ). Metapleuron with yellow spot. Area spiraculifera without or without yellow coloration. ........................................................................................................................10

9 Tergites black, with posterolateral yellow spots or apical bands. Postscutellum and metapleuron entirely black. Hind tibia apically and hind tarsus entirely blackish. India, Borneo, Philippines. ................................................ I. laminata View in CoL laminata ( CUSHMAN, 1922) View in CoL

- 2 nd, 3 rd and 7 th tergites ± red, with posterolateral yellow spots or apical bands ( fig. 50 View Figs 48-52 ). Postscutellum and metapleuron with ivory spots. Hind tibia and tarsus red. Postscutellum with ivory spot. Sulawesi. .............................................................................. ...................................................................... I. laminata View in CoL makassariensis ( HEINRICH, 1934) 10 Wide orbits entirely ivory in both sexes (fig. 25). Vertex without separated ivory spot. ..........11

- Ivory stripes on frontal and outer orbits not confluent (figs 23, 24, 26). Vertex either black or with ivory spot separated from eye......................................................................12

11 Propodeum with long apophysis. Hind coxa mainly black, ivory apically. Hind trochanter ivory; hind femur and tibia reddish, ± infuscate basally and apically. Face and orbits entirely yellow (fig. 13). Mesoscutum black in ♀, with ivory central spot in Ô. Tergites black, with ivory color pattern. Indonesia, Malaysia, Philippines. ..................... ............................................................................................ I. longitarsis (CAMERON, 1905) View in CoL

- Propodeum with short apophysis. Hind coxa red, yellow dorsally. Hind trochanter, femur and tibia entirely red. Mesoscutum entirely black in both sexes. Tergite of Ô mainly reddish. Sulawesi ...................................................... I. celebicola ( HEINRICH, 1934) View in CoL

12 Vertex with separated ivory spot (fig 23). Mesoscutum black, with short ivory stripe (fig. 30). Area spiraculifera ± yellow. Widespread in the Oriental region............................. ............................................................................................ I. cephalotes ( ASHMEAD, 1905) View in CoL

- Vertex without separated ivory spot (figs 26, 28). Mesoscutum black, sometimes with long ivory stripe. Area spiraculifera black ........................................................................13

13 Hind tibia with subbasal ivory ring. Hind coxa of ♀ with ± distinct scopa ventroapically. Mesoscutum black, with superficial punctures, smooth and shining (fig. 32). Ô unknown. New Guinea and Moluccas. ......................... I. pancarpius ( TOSQUINET, 1903) View in CoL

- Hind tibia without subbasal ivory ring. Hind coxa of ♀ without scopa. Mesoscutum black or with paramedian ivory stripe, densely and coarsely punctate, ± dull (fig. 31).....14

14 Basal bands of 2 nd and 3 rd tergites, apical margins of 4 th to 6 th tergites and entire 7 th tergite ivory. Ô unknown. Borneo...................................... I. maculiceps ( CAMERON, 1912) View in CoL

- 2 nd and 3 rd tergites without basal ivory bands, 2 nd to 7 th tergites with apical ivory bands which are sometimes narrowed medially ( figs 49, 51 View Figs 48-52 ) ......................................................15

15 Mesoscutum black, without yellow stripe (as fig. 29). Face yellow, with small dorsocentral brown spot (fig. 15). Notaulus weakly present in basal third of mesoscutum. Hind tibia basally and apically infuscate in ♀, with basal infuscation in Ô. India and Laos....................................................................................................... I. nigriscuta nov.sp.

- Mesoscutum with long paramedian stripe in ♀ (fig. 31). Face mainly yellow, with small central brown spot (fig. 14). Notaulus not impressed. Hind tibia reddish-yellow apically. Ô unknown. Laos............................................................. I. flavomaculata nov.sp.