Summary.mw-parser-output table.commons-file-information-table,.mw-parser-output.fileinfotpl-type-information{border:1px solid #a2a9b1;background-color:#f8f9fa;padding:5px;font-size:95%;border-spacing:2px;box-sizing:border-box;margin:0;width:100%}.mw-parser-output table.commons-file-information-table>tbody>tr,.mw-parser-output.fileinfotpl-type-information>tbody>tr{vertical-align:top}.mw-parser-output table.commons-file-information-table>tbody>tr>td,.mw-parser-output table.commons-file-information-table>tbody>tr>th,.mw-parser-output.fileinfotpl-type-information>tbody>tr>td,.mw-parser-output.fileinfotpl-type-information>tbody>tr>th{padding:4px}.mw-parser-output.fileinfo-paramfield{background:#ccf;text-align:right;padding-right:0.4em;width:15%;font-weight:bold}.mw-parser-output.commons-file-information-table+table.commons-file-information-table,.mw-parser-output.commons-file-information-table+div.commons-file-information-table>table{border-top:0;padding-top:0;margin-top:-8px}@media only screen and (max-width:719px){.mw-parser-output table.commons-file-information-table,.mw-parser-output.commons-file-information-table.fileinfotpl-type-information{border-spacing:0;padding:0;word-break:break-word;width:100%!important}.mw-parser-output.commons-file-information-table>tbody,.mw-parser-output.fileinfotpl-type-information>tbody{display:block}.mw-parser-output.commons-file-information-table>tbody>tr>td,.mw-parser-output.commons-file-information-table>tbody>tr>th,.mw-parser-output.fileinfotpl-type-information>tbody>tr>td,.mw-parser-output.fileinfotpl-type-information>tbody>tr>th{padding:0.2em 0.4em;text-align:left;text-align:start}.mw-parser-output.commons-file-information-table>tbody>tr,.mw-parser-output.fileinfotpl-type-information>tbody>tr{display:flex;flex-direction:column}.mw-parser-output.commons-file-information-table+table.commons-file-information-table,.mw-parser-output.commons-file-information-table+div.commons-file-information-table>table{margin-top:-1px}.mw-parser-output.fileinfo-paramfield{box-sizing:border-box;flex:1 0 100%;width:100%}} Description: English: Drawing of wing venation of Metacnemis valida. Detail of Plate V. Fig 2. from Ris, F. (1921). The Odonata or Dragonflies of South Africa. Annals of the South African Museum, XVIII, 245-452. Explanation of Plate V. (copied from original). 1. Hemianax ephippiger. Venation of Anisoptera. Lettering of veins in front wing, of spaces in hind wing. C. Costal Sc. Subcostal. R + M. Common stalk of cubital. A. Anal. R. Radial. Rs. radial sector. Rsa. Second branch of radial sector (in Aeschninae). Rspl. Radial supplement. B. Bridge from base of radial sector to medial. M1-4. Common stalks and branches of medial. Mspl. Medial supplement. Cu1 and Cu2. Branches of cubitus. Anq. Antenodal cross-veins. Pnq. Postnodal cross-veins. Arc. Arculus. Nod. Nodus. Pt. Pterostigma. c. Costal. sc. Subcostal. m. Medial. cu. Cubital-anal. t. triangle. ht. Supra-triangle. al. Divisions of anal loop. df. Discoidal field. mbr. Membranula. A1-3. Branches of anal vein in hind wing. Oblv. Oblique vein at distal end of bridge, bridge between o and o. 2. Metacnemis valida. Venation of Zygoptera. Lettering as in fig. 1. A*. part of anal vein between petiole of wing and Cu2. Q. Quadrangle. Date: 17 November 2016, 12:35:56. Source: Ris, F. (1921). The Odonata or Dragonflies of South Africa. Annals of the South African Museum, XVIII, 245-452. at
https://www.biodiversitylibrary.org/bibliography/8496#/summary Also available at
https://archive.org/details/odonataordragonf00risf. Author: Friedrich Ris.
