Labiobaetis gladius Kaltenbach & Gattolliat, 2018

Kaltenbach, Thomas, Vuataz, Laurent & Gattolliat, Jean-Luc, 2023, New species of Labiobaetis Novikova & Kluge from New Guinea (Ephemeroptera, Baetidae): a never-ending story of diversity, Alpine Entomology 7, pp. 83-134 : 83

3. Labiobaetis gladius Kaltenbach & Gattolliat, 2018

Labiobaetis gladius : Kaltenbach and Gattolliat 2018.

Additional description.

Larva. Re-examination of type material confirmed that the species has all of the diagnostic characters of the group Labiobaetis petersorum as listed above. This includes characters not or not correctly described or illustrated in the original description ( Kaltenbach and Gattolliat 2018: figs 17-18): flagellum with brown dots in middle part (as Fig. 6b ); hypopharynx distolaterally with two additional tufts of setae (as Fig. 3a ); anal margin of tergalii with both short and long, fine setae (as Fig. 6e ); claw with convex ventral margin and with subapical seta (as Fig. 5k, l ); femur posterior apex with stout setae on fore and middle legs, not on hind leg (as Fig. 5e ).

Material examined.

Paratypes. PAPUA NEW GUINEA • 3 larvae; Simbu Prov., Mt. Wilhelm, Pindaunde Creek , S 5 (oria 6); 05°49'58"S, 145°06'08"E; 2350 m; 18.viii.1999; leg. L. Čížek; on slides; GBIFCH00456173, GBIFCH00465177, GBIFCH00456178; MZL .

Figures

Figure 3. Labiobaetis amber sp. nov., larva morphology: a. Hypopharynx and superlinguae; b. Maxilla; c. Maxillary palp; d. Section of maxilla. Scale bars: 50 µm.

Figure 5. Labiobaetis amber sp. nov., larva morphology: a. Fore leg; b. Fore femur, dorsal margin; c. Fore femur, apex; d. Fore femur, ventral margin; e. Fore femur, apex, posterior side; f. Fore tibia, dorsal margin; g. Fore tibia, ventral margin; h. Fore tibia, posterior surface; i. Fore tarsus, dorsal margin; j. Fore tarsus, ventral margin; k. Fore claw; l. Tip of fore claw. Scale bars: 50 µm.

Figure 6. Labiobaetis amber sp. nov., larva morphology: a. Base of antenna; b. Antenna; c. Abdominal tergum IV; d. Tergalius IV; e. Anal margin of tergalius IV; f. Paraproct; g. Larval protogonostylus (II, III: segments II and III). Scale bars: 50 µm.