Eucorydia gemma Hebard, 1929 Fig. 11 L–N

Eucorydia gemma Hebard, 1929: 98 (male holotype, "Fort de Kock, Sumatra"); Hanitsch 1929: 288 (6 examples, "Fort de Kock, 920m"), with a comparison with E. coerulea; Bruijning 1948: 149 (2 males and 1 sex unknown from Amsterdam Museum, "Fort de Kock, Sumatra"); Princis 1953: 203 (1 female, from Java); Princis 1963: 82.

Type material examined.

HOLOTYPE of Eucorydia gemma, male (ANSP, #8704), INDONESIA: "Fort de Kock. (Sumatra) 920M/ December. 1921/ leg. E. Jacobson.", a red label: "Eucorydia gemma TYPE, Hebard ♂ 1147/ HEBARD CLN.", "Type No. assigned April 2008./ Type # 8704".

Other material examined.1 female (NRM), INDONESIA: Java, with determination label "Eucorydia gemma Heb., ♀, K. Princis det, 1952"

Diagnosis.

Consulting the former descriptions (Hebard 1929; Hanitsch 1929; Bruijning 1948) and the holotype re-examined, this species is characterized as follows: body length 8.0-8.7 mm, overall length 10.4-11 mm, tegmen length 8.0-8.5 mm, pronotum length×width 2.9 –3.0×3.9– 4.2 mm. Small size, metallic bluish green, tegmen with a narrow orange streak on the costal margin, basal third of anal area with greyish white pubescence, right tegmen where covered by the left shiny purple, mesonotum, metanotum and 1-4 abdominal terga purple, the rest black, lateral borders of 3-5 abdominal sternites orange, abdomen shiny black in ventral view, lateral margins of segments 4 to 6 orange.

Remarks.

Besides the type locality, Princis (1953) recorded one female from Java as E. gemma .

Distribution.

So far this species is recorded from the type locality Fort de Kock, Sumatra, and Java.