Chrysis Linnaeus 1761
Creators: name: Neveen, Paolo Rosa
name: Gadallah, Neveen S.
name: Edmardash, Yusuf A.
Publisher: name: Zenodo
Year: 2025
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Masaridae
Chrysis

description: KEY TO THE ARABIAN HEXADENTATE SPECIES OF CHRYSIS LINNAEUS, 1761
1. Species with mucronate metanotum ............................................................................................................ 2
— Species without mucronate metanotum ....................................................................................................... 5
2. Apical margin of third tergum with four small, triangular, median teeth, the lateral ones located on baso-lateral edge of tergum (Fig. 8E); metanotal mucron elongate, medially carinate, apically blunt and impunctate (Fig. 8B); black spots on second sternum small, longitudinal, and suboval (Fig. 8F) ............... C. lyncea Fabricius, 1775
— Apical margin of third tergum with six aligned teeth; metanotal mucron triangular, fully punctate, flat or medially concave; black spots on second sternum large, transverse, fused to almost fused medially ...................... 3
3. Transverse frontal carina U-shaped, simple, without branches (Fig. 9A); first flagellomere elongate (l/w = 2.5-3) in female, slightly longer than second; mesopleuron smooth and shiny on two stripes on mesepimeron and on mesepisternum (Fig. 9C); forewing with ancillary vein originating from the Radial sector (Fig. 9D) ............... ............................................................................................................................... C. smithii Gribodo, 1913
— Transverse frontal carina M-shaped, with two or three branches upwards or enclosing anterior ocellus if frontal carina U-shaped, then mesopleuron fully punctate;; first flagellomere short (l/w = 0.5-1) in both sexes, 2 to 3 times shorter than second; mesopleuron fully punctate; anterior wing without ancillary vein ...................... 4
4. Mesoscutum with very large punctures (up to 1 MOD), widely separated by polished interspaces; notauli exceptionally wide (Fig. 10C), larger than largest punctures on mesoscutum basally, notauli triangularly shaped, larger at base and narrower towards apex .......................................................... C. oxyacantha Mocsáry, 1838
— Mesoscutum with medium to large punctures (max 0.7 MOD), dense with narrow interspaces, occasionally with small punctures; notauli not exceptionally wide, formed by subsquare large foveae, as large as largest punctures on mesoscutum, notauli larger at base, not distinctly triangularly shaped ........... C. stilboides (Spinola, 1838)
5. Transverse frontal carina M-shaped, with branches encircling anterior ocellus (Fig. 7A); mesopleuron with strong tooth on lower margin (Fig. 7C); body colour dark blue to violet; black spots on second sternum subrectangular, connected to lateral margins ........................................................................ C. jousseaumei du Buysson, 1898
— Transverse frontal carina inverted U-shaped (Fig. 11A); mesopleuron simple, without teeth (Fig. 11B); body colour green; black spots on second sternum triangular, separated from lateral margins (Fig. 11F) ................. ............................................................................................................................ C. diehli Linsenmaier, 1968
description: Published as part of Neveen, Paolo Rosa, Gadallah, Neveen S. & Edmardash, Yusuf A., 2025, New findings of cuckoo wasps for Yemen with nomenclatural changes and review of the Arabian hexadentate species of the genus Chrysis Linnaeus, 1761 (Hymenoptera, Chrysididae), pp. 151-166 in Zoosystema 47 (11) on pages 165-166, DOI: 10.5252/zoosystema2025v47a11, http://zenodo.org/record/15180968