Key to Chaetonerius, Telostylus and Teloneria, with emphasis on the identification of the species of Teloneria

1. One or two postsutural dorsocentral setae (Figs 8B, G–H). Frontal vitta with a median longitudinal groove (Fig. 7L, N–O). Tegument shiny, mostly yellow or partially to entirely brown (Fig. 3). Abdomen homogeneously colored. Wing infuscate on distal third (Fig. 8 I–K) ............................... 2 ̄ Four postsutural dorsocentral setae (Fig. 8D). Frontal vitta without median longitudinal groove (Fig. 7M). Tegument opaque, brown and partially yellow to entirely brown. Abdomen with one dorsomedian yellow line. Wing slightly infuscate around meeting point of veins R2 +3 and C ....................................................................................................... Chaetonerius Hendel, 1913

2. Presutural dorsocentral seta absent and one pair of postsutural dorsocentral setae present (Fig. 8B). Postocullar setae absent (Fig. 7L). Transverse suture complete. Antennal base with membranous extension of upper face positioned dorsally ................................................... Telostylus Bigot, 1859 ̄ One pair of presutural and two pairs of postsutual setae present (Fig. 8G, K). Postocular setae welldeveloped (Fig. 7 N–O). Transverse suture incomplete, vanishing medially on dorsal surface of scutum. Antennal base without dorsal membranous area ..........................3... Teloneria Aczél, 1954

3. Postpronotal lobe and notopleura brown to pale brown (Fig. 3A). Fronto-orbital plate entirely black. Head around eye brown, only yellow near gena; occiput entirely brown .. ................................................................................ Teloneria apicata (Edwards), 1919 comb. nov.

– Postpronotal lobe and notopleura pale brown to yellow (Fig. 3D). Fronto-orbital plate at least partially to entirely yellow (Fig. 3C). Head around eye mostly to entirely yellow; occiput pale brown or yellow on dorsal half .................................................................................................................... 4

4. Frontal vitta mostly black, with a yellow spot on anterior third. Anepisternum, anepimeron and katepisternum brown .. ................................................................... Teloneria bimaculata (Edwards)

– Frontal vitta pale brown or yellow and ocellar triangle black. Anepisternum, anepimeron and katepisternum partially yellow (Fig. 4C) .......................................................................................... 5

5. Anterior margin of frons straight to slightly convex, not projected between antennal bases. First flagellomere pear-shaped with distal half slightly twisted up (Fig. 4A). Scutum with median brown to black broad line from anterior margin to scutoscutellar suture, interrupted on transverse suture by a median yellow area; presutural and postsutural scutum laterally with brown longitudinal lines (Fig. 4D) .................................................................. Teloneria juceliae Sepúlveda & Souza sp. nov.

– Anterior margin of frons strongly convex (V-shaped) and projected between antennal bases. First flagellomere ovate (Fig. 5A). Scutum with pale brownish median line on presutural scutum; presutural scutum with dark brown intra-alar spot and postsutural scutum laterally without brown lines (Fig. 5D) ............................................................ Teloneria ladyae Sepúlveda & Souza sp. nov.