Campylothorax hexosetosus
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Ordo: Collembola
Familia: Paronellidae
Genus: Campylothorax
Name
Campylothorax hexosetosus Felipe N. Soto-Adames, 2016 – Wikispecies link – Pensoft Profile
- Campylothorax hexosetosus Felipe N. Soto-Adames, 2016, Journal of Natural History 50: 1598-1602.
Description
Figures 7 –9
Etymology
Etymology The epithet refers to presence of six Mc in the mesothoracic p3 complex.
Materials Examined
Material examined Holotype, slide-mounted, Dominican Republic, La Vega, Cordillera Central, Loma Casabito, 16 km NW, Bonao, 10°2'21.048''N, 70°31'5.016''W, 1487 m elevation, evergreen cloud forest, malaise trap, 28 May 2003, sample DR21182, J. Rawlins, C. Young, R. Davidson, C. Núñez, P. Acevedo; one paratype on slide, same information as holotype; two paratypes on slides and 13 adults and juveniles in alcohol as above but 19°2'22.976''N, 70°31'8.0034''W, 1455 m elevation, yellow pan trap, 28 May 2003, sample DR21262.
Description
Size. Up to 3.1 mm. Colour pattern. Background brownish, purple pigment limited to antennae, legs, gena, antero-lateral margin of meso- and metathorax and, in some individuals, lateral margin of Abd. 2. (Figure 7). Head. Antennae broken beyond second antennal segment. Head with eight Mc along antennal margin and four other Mc along inner margin of eye patch; head dorsally with eight anterior (A0, A2, A3, A5, S2, S3, S4, S5) and one posterior (Pa5) Mc, Ps5 enlarged but clearly smaller than normal Mc (Figure 8 A). Pre-labral chaetae smooth. Chaetae on sublobal plate of maxillary palp not seen. Maxilla with four lamellae: lamella 1 apically truncate, with many strong, hooked papillae (Figure 8 B); lamella 2 apically square, with papilla arranged into largely organised rows (Figure 8 C). Lateral appendage of labial papilla E not reaching tip of papilla (Figure 8 E). Labial and post-labial chaetae as in C. notidanus sp. nov.
Body. Body Mc as 64/0241+7+0+5. Th. 2 dorsally flat, Th. 3 rounded (Figure 8 D), extending posteriorly to cover medial section of Abd. 1, including pseudopore. Th. 2 with six Mc in p3 complex (Figure 8 D); Th. 3 with four Mc in p2 – 3 complex. Lateral chaetae of Abd. 3 comprising one microchaeta and five macro- or mesochaetae as in Figure 8 F. Inner chaetotaxy of Abd. 4 (Figure 9 A) as in C. notidanus sp. nov., with one unpaired (M) and seven paired Mc (A1, A3, A5, A6, B3, B4, B5), spatial distribution of inner posterior Mc variable (Figure 9 B, C); laterally with five Mc (E2, E3, F1, F2, F3), Mc E4 absent (Figure 9 A). Posterior chaetae 15 – 20.
Legs. Trochanteral organ with up to 47 chaetae. Pro- and metathoracic claw complexes as in C. notidanus sp. nov.
Furcula. Mucro typical for genus, 1.0 – 1.5 as long as inner edge of hind claw.
Discussion
Remarks Campylothorax hexosetosus sp. nov. is the only member of the genus with six mesothoracic Mc in the p3 complex, Abd. 4 with Mc A3 anterior to the pseudopore, and lateral Mc E4 absent. The new species shares with C. notidanus sp. nov. the number of inner Mc on Abd. 4, but differs form that species in many other characters as listed in the remarks to C. notidanus sp. nov. and in Table 2.
Taxon Treatment
- Felipe N. Soto-Adames; 2016: Chaetotaxy of first-instar Campylothorax sabanus (Wray), and description of three new Campylothorax species from Hispaniola (Collembola, Paronellidae), Journal of Natural History 50: 1598-1602. doi
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