Figures 1-8
Atrichopogon delpontei, larva. (1) entire larva, lateral view; (2) head capsule chaetotaxy, dorsolateral view; (3) head capsule chaetotaxy, lateral view; (4) head capsule, anteroventral view; (5) head capsule in detail, frontal view; (6) mouthparts in detail, frontal view; (7) details of maxilla; (8) details of hypostoma and palatal bar. Abdominal segments (Abd S); anal segment (AS); antenna (AN); galeolacinia (GL); head capsule (HC); hypostoma (HY); lacinial sclerite 1 (LC1); lacinial sclerite 2 (LC2); labrum (LB); maxilla (MX); maxillary palpus (MP); messors (MS); mediodorsal seta (mst); papillae (pa); palatal bar (PB); palatum (PL); prothoracic proleg (Pp); scopae (SC); sensilla styloconica (ss); sensilla trichoidea (st); thoracic segments (TS). Head capsule chaetotaxy: j, collar pits; m, posterolateral pits; o, parahypostomal setae; p, posterior perifrontal setae; q, postfrontal seta; r, postnotal pits; t, prefrontal seta; u, mesolateral seta; v, posterolateral seta; w, anterolateral seta; x, paranntenal setae; y, ventral seta; z, frontal pits.
Figures 9-14
Atrichopogon delpontei, larva. (9) epipharynx, dorsal view; (10) detail of epipharynx, anterior view; (11) detail of epipharynx, posterior view, dorsal comb; (12) thoracic segments; (13) anal segment, ventral view; (14) anal segment, dorsal view. Auxiliary sclerite (AS); dorsal comb (DC); hooks (H); lateral sclerite (LS); median sclerite (Ms); mediodorsal seta (mst); thoracic segments (TS); ventral comb (VC); outer seta “o”; inner seta “i”.
Figures 15-20
Atrichopogon delpontei, larva. (15) head capsule, ventral view; (16) detail of head capsule, anterior view; (17) frontal view, messors and mandible; (18) detail of mandible and palatum; (19) epipharynx; (20) anal segment. Scales = 0.05 mm. Dorsal comb (DC); dorsal plate (dPl); epipharynx (EPY); hooks (H), hooklets (Hlts); hypopharynx (HYP); lateral arms (LA); mandible (MD); median sclerite (Ms); messors (MS); palatum (PL); ventral comb (VC); outer seta “o”; inner seta “i”; mediodorsal seta (mst).
Figures 21-27
Atrichopogon delpontei, female pupa. (21) entire pupa, dorsal view; (22) cephalothorax, dorsal view (dorsal apotomals sensillum, dorsolateral sensillum and anterolateral sensillum), (23) details of dorsal apotomal sensillum and dorsolateral sensillum; (24) details of mouthparts and clypeal/labral sensilla, ventral view; (25) dorsal setae, dorsal view; (26) respiratory organ; (27) Segment 9, dorsal view. Scales = 0.05 mm. Antenna (AN); anterolateral sensillum (AL-1-T); clypeal/labral sensillum (CL-1-H, CL-2-H), dorsal apotome (DA); dorsal apotomal sensillum (DA-1-H); dorsolateral sensillum (DL-1-H); dorsals (D-1-T, D-2-T, D-3-T, T-1-T, T-2-T); pedicel (P); respiratory organ (RO); terminal process (TP).
Figures 28-33
Atrichopogon delpontei, pupa. Figures 28-29, male pupa. Figures 30-33, female pupa. (28) male pupa with retained larval exuviae, ventral view; (29, 31) dorsal apotome, dorsal view; (30) dorsal apotome with dorsal apotomal sensillum and mouthparts; (32) details of mouthparts and clypeal/labral sensilla; (33) segment 9, ventral view. Scales = 0.05 mm. Antenna (AN); clypeal/labral sensilla (CL-1-H, CL-2-H); dorsal apotome (DA); dorsal apotomal sensillum (DA-1-H); genital lobes (GL); head capsule (HC); respiratory organ (RO); terminal process (TP).
Figures 34-39
Atrichopogon delpontei, larva. (34) Head capsule chaetotaxy, dorsal view; (35) Head capsule chaetotaxy, ventral view; (36) messors; (37) epipharynx, dorsal view; (38) hypopharynx and epipharynx, ventral view; (39) chaetotaxy of second abdominal segment. Scales = 0.05 mm. Antenna (AN); dorsal comb (DC); lateral arms (LA). Head capsule chaetotaxy: j, collar pits; m, posterolateral pits; n, anterolateral pits; o, parahypostomal setae; p, posterior perifrontal setae; q, postfrontal seta; r, postnotal pits; t, prefrontal seta; u, mesolateral seta; v, posterolateral seta; w, anterolateral seta; x, paranntenal setae; y, ventral seta; z, frontal pits.
Figures 40-42
Atrichopogon delpontei, male pupa. (40) dorsal setae; (41) first abdominal segment, dorsal view; (42) fourth abdominal segment, dorsal and ventral view. Scales = 0.05 mm. Dorsal setae and supraalar (D-1-T, D-2-T, D-3-T, T-1-T, T-2-T, SA-2-T); dorsal sensilla of first abdominal segment (D-2-I, D-4-I, D-7-I); dorsal sensilla of fourth abdominal segment (D-2-IV, D-4-IV, D-7-IV); lateral sensilla of first abdominal segment (L-1-I, L-2-I); lateral sensilla of fourth abdominal segment (L-2-IV, L-4-IV); ventral sensilla of fourth abdominal segment (V-6-IV, V-7-IV).
Figure 43
Collecting sites. Location of the two rivers. (a) Rio Hermes (Rondônia state), (b) Rio Sambito (Piauí state).
