Figure 3 in Review of the Australian Genus Pentachaeta (Diptera: Heleomyzidae), with Descriptions of Nine New Species

Figure 3. Pentachaeta edwardsi. Hypandrial structures, ventral view (diagrammatic). aa, aedeagal apodeme; ab, aedeagal bulb; ag, aedeagal guide (connecting aedeagal apodeme to hypandrium anteriorly); as, articulating sclerite; dp, distiphallus; eh, sclerotized extension of hypandrium; fp, fork plate of hypandrium; g, gonostylus; mu, probable muscle attachment; pl, posterolateral extension of basiphallus (partly densely pubescent); sp, subepandrial process (on subepandrial cuticle).