Desoria garibaldii Fjellberg, 2010, sp. n.

• Main Author: Fjellberg, Arne
• Format: Other/Unknown Material
• Language: unknown
• Published: 2010
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Entognatha; Collembola; Isotomidae; Desoria; Desoria garibaldii; Canada; Seta; Garibaldi; Helm Glacier; glacier; glacier*; Alaska
• Online Access: https://zenodo.org/record/5670726; https://doi.org/10.5281/zenodo.5670726

Desoria garibaldii sp. n. (Figs. 44–49, 115F) Type material (all in alcohol, sex not checked). Holotype and 60 paratypes from " Canada, B.C., Garibaldi Park, Helm Glacier, 49 o 57 'N, 123 o0'W, 02.IX. 1983. Muddy blue ice at terminal lobe, 1,770 m alt. A. Fjellberg 398 / 83 " (INHS). Other material: USA, Alaska, Ptarmigan Glacier, summer 2003, P. Hartzell leg; Washington, Snohomish Co., Honeycomb Suiattle Glacier, 12.VIII. 2002, snow pack on glacier ice, P. Hartzell leg.; same county, Columbia Glacier, 04.VIII. 2002, snow pack on glacier ice, P. Hartzell leg; same state, Whatcom Co., Easton Glacier, 48 o 44 ''N, 121 o 50 'W, 04.VIII. 2002, on snow, P. Hartzell leg. Description. Body size up to 1.6 mm. Body shape slender, typical Desoria (Fig. 115 F). Head shape normal. Abd. 5–6 almost completely fused, with a weak incision between the tergites and a distinct break in setal cover. Colour completely black, including extremities. Head without white spots between eye-fields. Freshly collected specimens with a greenish lustre. Unlike most species even small juveniles as dark as the adults. Ocelli 8 + 8, rather small. PAO oval, about 1.5 as long as diameter of nearest ocellus. Three setae associated with PAO (Fig. 48). Ant. 1 with 5–8 short curved ventroapical sensilla and a few curved setaceous sensilla (Fig. 45). Ant. 2 with a single ventrolateral curved sensillum in apical position. Ant. 3 organ, with a few additional sensilla (Fig. 46). Ant. 4 with bifurcate pin seta and a small apically expanded peg in the subapical organ. Labrum with 4 / 554 normal setae, apical edge with 4 sharp ridges and a composite ventral ciliation. Frontoclypeal field with 10–15 setae, two setae between antennal base and upper corner of labrum. Maxillary palp bifurcate, 4 sublobal setae. Labial palp complete, guard e 7 present; terminal seta on the papillae as long as guards. Hypostomal papilla with subequal H and h 1 /h 2. Labial base with 5 (4) median and 5 lateral setae. Head with 4 + 4 (3) postlabial setae. Mandibles normal, strong. ...