Figs 1-5
Habitus: 1, 2, I. borrei (Baly); 3,I. crucigera (Weise) syn. nov.; 4, 5, I. tetraspilota (Baly). Scale bars = 1,0 mm.
Figs 6-19
Head: Isotes tetraspilota (Baly): 6, frontal; 7, dorsal; 8, lateral; I. borrei (Baly): 9, frontal; 10, dorsal; 11, lateral. Labrum: 12, I. tetraspilota; 13,I. borrei. Mandible: 14, I. tetraspilota; 15, I. borrei. Maxillae: 16,I. tetraspilota; 17, I. borrei. Labium: 18, I. tetraspilota; 19, I. borrei (bs, basistipes; cd, cardo; ds, dististipes; ga, galea; ge, gena; lc, lacinia; lg, ligula; lp, labial palp; m, mentum; mo, mola; mp, maxilar palp; prm, prementum; pros, prostheca; I-V, position of the mandible teeth). Scale bars = 0,5 mm.
Figs 20-26
Pronotum, dorsal: 20, I. tetraspilota (Baly); 21,I. borrei (Baly). 22, Prosternum and procoxae,I. tetraspilota. Proendosternites, posterior view: 23, I. tetraspilota; 24, I. borrei. Pterothorax, I. tetraspilota: 25, ventral; 26, lateral (gl, gland; msp, mesepimeron; mss, mesepisternum; mts, metepisternum; mtp, metepimeron; pr, proendosternite). Scale bars: 20-24 = 0,5 mm; 25, 26 = 1,0 mm.
Figs 27-34
Mesoscutellum: 27, Isotes tetraspilota (Baly); 28,I. borrei (Baly). Metanotum: 29, I. tetraspilota; 30, I. borrei. Post-notum, posterior view: 31, I. tetraspilota; 32, I. borrei. Metendosternite: 33, I. tetraspilota; 34, I. borrei (a-d, metanotum apodemes; ar, arm; es, escutelum; la, lamina; mg, median groove; pd, peduncle; pn, post-notum; te, tendon). Scale bars = 0,5 mm.
Figs 35-36
Hindwings: 35, Isotes tetraspilota (Baly); 36,I. borrei (Baly) (AA, Anal Anterior vein; arc, arculus; C, Costa; CuA, Cubitus Anterior vein; CuA3+4, Cubitus Anterior vein 3+4; E, Empusal; Ju, Jugal; MP1+2, Media Posterior 1+2; MP3, Media Posterior vein 3; R, Radial cell; r3, Radial transversal 3; RA, Radial Anterior vein; RP, Radial Posterior vein; rp-mp2, radial posterior vein - media posterior 2; RP3+4, Radial Posterior vein 3+4; Sc, Subcostal vein). Scale bars = 1 mm.
Figs 37-39
I. tetraspilota (Baly), Abdomen, ventral view: 37, male; 38, female. 39, Urosternite V, male, I. borrei(Baly). Scale bars: 37, 38 = 1,0 mm; 39 = 0,5 mm.
Figs 40-47
Aedeagus lateral and sclerites of the internal sac, dorsal: 40,I. borrei (Baly); 41, I. tetraspilota (Baly). Apex of median lobe, dorsal and ventral view, respectively: 42, I. borrei (Baly); 43,I. tetraspilota (Baly). Tegmen, dorsal view: 44,I. borrei (Baly); 45, I. tetraspilota (Baly). Spiculum gastrale: 46, Isotes borrei (Baly), Y-shaped, not fusioned; 47,I. tetraspilota (Baly), V-shaped, fusioned (af, apical flap; cr, basal crest of the median lobe; is, internal sac; llb, lateral lobe; o, basal orifice; os, ostium; sc, sclerite of the internal sac; vl, ventral lobe). Scale bars = 0,5 mm; except 40-43 = 1,0 mm and 0,5 mm, respectively.
Figures 48-58
Tergite IX: 48, Isotes borrei (Baly); 49, I. tetraspilota (Baly). Sternite VIII: 50, Isotes borrei (Baly); 51, I. tetraspilota (Baly). Vaginal Palpi: 52, Isotes borrei (Baly); 53, I. tetraspilota (Baly). Spermatheca: 54, Isotes borrei (Baly); 55, I. tetraspilota (Baly).Bursa copulatrix: 56, Isotes borrei (Baly); 57, I. crucigera (Weise, 1916) syn. nov.; 58, I. tetraspilota, female genitalia - arrow: bursa copulatrix with detail of the very dense median region (cor, cornu; dct, spermathecal duct; nd, nodulus; mp, median part). Scale bars: 48, 49, 52-55 = 0,1 mm; 50, 51, 56-57 = 0,5 mm; 58 = 1 mm.