Camactognathus Newell 1984

• Main Author: Bartsch, Ilse
• Format: Text
• Language: unknown
• Published: Zenodo 2015
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Arachnida; Trombidiformes; Halacaridae; Camactognathus; Antarctic; Newell; Pacific; Antarc*
• Online Access: https://dx.doi.org/10.5281/zenodo.5696457; https://zenodo.org/record/5696457

Camactognathus Newell, 1984 (Figs 32 and 33) Type species. Camactognathus grossipes Newell, 1984. Adults. In female and male GP and AP fused. Female GP with three (to four) pairs of slender pgs, one pair of sgs and three pairs of small internal gac (Fig. 32). Ovipositor at rest hardly extending beyond GO. Basal pair of genital spines present but small; antero-apical spines palmate and with dentate edge; shape and number of posteroapical genital spines not known. Male GO smaller than female GO. Two pairs of small gac in posterior part of GO (Bartsch 2013 c: fig. 4), third pair, if present, obscured. Genital sclerites with two pairs of small, setiform sgs. Perigenital setae slender, smooth, about 25–50 pairs arranged in two wide rings around GO. Epimeral pores lacking. Juveniles. Larva and protonymph not known. In deutonymph GP and AP fused. GP with two pairs of minute internal gac, two pairs of pgs, but no sgs (Fig. 33; Bartsch 2013 c: fig. 9). Remarks. A poorly known genus. The three species described are from subtidal sandy deposits, from the coast the southeastern Pacific Ocean (off Chile), the Mediterranean and Black Sea (off Italy and Turkey, respectively) and the Skagerrak (off Sweden) (Newell 1984; Morselli & Mari 1982; Bartsch 1991 a, 2013 c). : Published as part of Bartsch, Ilse, 2015, The genital area of Halacaridae (Acari), life stages and development of morphological characters and implication on the classification, pp. 201-259 in Zootaxa 3919 (2) on pages 214-215, DOI: 10.11646/zootaxa.3919.2.1, http://zenodo.org/record/245246 : {"references": ["Newell, I. M. (1984) Antarctic Halacaroidea. Antarctic Research Series, 40, 1 - 284. http: // dx. doi. org / 10.1029 / AR 040", "Bartsch, I. (2013 c) New species and records of halacarid mites (Halacaridae: Acari) from the Black Sea. Entomologische Mitteilungen aus dem Zoologischen Museum Hamburg, 16, 69 - 85.", "Morselli, I. & Mari, M. (1982) Alacaridi (Acari, Prostigmata) di fondi sabbiosi della Costa Ionica del Salento. Atti della Societa Toscana di Scienze Naturali, Memorie, Serie B, 88, 229 - 247.", "Bartsch, I. (1991 a) Taxonomic notes on halacarids (Acari) from the Skagerrak area. Helgolander Meeresuntersuchungen, 45, 97 - 106. http: // dx. doi. org / 10.1007 / BF 02365638"]}