Trogolaphysa jacobyi Mills 1938

Figure 24.Trogolaphysa jacobyi sp. n. habitus, photographed in Yok Balum Cave.

Figures 38–43.Trogolaphysa jacobyi sp. n., symbols as in previous plate. 38 Fourth abdominal segment, inner chaetotaxy 39 Fourth abdominal segment, outer macrochaetae 40 Fourth abdominal segment anterior bothriotrichal complex 41 Prothoracic claw complex 42 Metathoracic claw complex 43 Mucro.

Figure 44.Type locality for Trogolaphysa jacobyi sp. n. in the dark zone of Yok Balum. Photo courtesy of MES.

Figures 45–49.Trogolaphysa belizeana 45 Labial triangle 46 Postlabial chaetotaxy 47 Chaetotaxy of second abdominal segment 48 Chaetotaxy of third abdominal segment 49 Complete chaetotaxy of fourth abdominal segment, x represent sensilla-like setae.

Figures 30–32.Trogolaphysa jacobyi sp. n. 30 Labial triangle and postlabium, open and filled circles represent ciliate and smooth setae, respectively 31 Thorax macrochaetae 32 Mesothorax, detail of inner chaetotaxy on a different individual.

Figure 25.Trogolaphysa jacobyi sp. n. Fourth antennal segment showing constriction and incomplete suture (arrow).

Figures 26–29.Trogolaphysa jacobyi sp. n. 26 Head dorsal chaetotaxy 27 Labral setae on row B 28 Lateral process of labial papilla E 29 Labial triangle.

Figures 2–10.Trogolaphysa giordanoae sp. n., circles are macrochaetae, filled circles are ciliate microchaetae2 Antennal segment 4, subapical sensillum 3 Antennal segment 3, sense organ 4 Eyepatch and associated setae, 5 Head dorsal chaetotaxy, line represents dorsal sulcus 6 Prelabral seta 7 Labral row B setae 8 Distal margin of labrum 9 Labial papilla E 10 Posterior setae of labial triangle.

Figures 33–37.Trogolaphysa jacobyi sp. n., open and filled circles represent macro- and microchaetae, respectively, triangles represent fan-shaped microchaetae. 33 Metathorax, detail of inner chaetotaxy, seta a6 present but not shown 34 First abdominal segment, chaetotaxy, arrow points at seta seen in a single individual 35–36 First abdominal segment, alternative insertions of seta m2 37 Third abdominal segment, setae associate with lateral bothriotricha.