Sinella baca Christiansen & Bellinger, 1980

Wu, Jun, Yan, Qibao & Zhang, Feng, 2016, Supplementary descriptive notes of the Sinella and Coecobrya (Collembola: Entomobryidae) species from North America, Hawaii and Japan, Zootaxa 4085 (4) : -

Sinella baca Christiansen & Bellinger, 1980

Figs 10–12

Sinella (Sinella) baca Christiansen & Bellinger, 1980

Type locality. Empiree Cave , Santa Cruz, California, USA.

Material examined. One slide per locality, USA: California: Amador : Fiddler Cave , 15.iv.1979 (# 4377) ; USA: California: Santa Cruz , 21.iv.1979 (# 4388) ; USA: California: Santa Cruz , 22.iv.1979 (#4400). Deposited in CARC .

Additions to original description. Th.II with 4 (m1, m2, m 2i, m 2i 2) medio-medial, 5–6 (m4, m 4i, m4p, m4pi, m4pi2) medio-lateral, and 26–37 posterior mac ( Fig. 10 ). Th.III with about 45 mac and 5 (m5, m 5i, a6, a 6i, a6e) mac in Gr. III ( Fig. 11 ). Abd.II with 4 (m3, m3e, m3ea, m3ep) mac in M3 arch (sensu Chen & Christiansen 1993). Abd.IV with 7 central and 9–11 lateral mac ( Fig. 12 ).

Ecology. Most from caves.

Distribution. California.

Remarks. This species is similar to cave species S. agna and S. basidens (see Christiansen 1960 and Christiansen & Bellinger 1980), but differs from them in ungual teeth (unpaired tooth present in S. baca but absent in other two species), and dorsal chaetotaxy.

Figures

FIGURES 10 – 12. Dorsal body chaetotaxy in S. baca: 10, Th. II; 11, Th. III; 12, Abd. IV.