RHOMBOGNATHINAE Viets, 1927

Pepato, Almir R. & Da Rocha, Carlos E. F., 2007, Description of a new species of Rhombognathus (Halacaridae, Acari), its spermiogenesis and spermatozoa, Journal of Natural History 41 (37 - 40), pp. 2433-2445 : 2435

publication ID

https://doi.org/ 10.1080/00222930701567877

persistent identifier

https://treatment.plazi.org/id/581ACD7A-FF9B-9560-FE03-CF1AFCF39738

treatment provided by

Felipe

scientific name

RHOMBOGNATHINAE Viets, 1927
status

 

RHOMBOGNATHINAE Viets, 1927

Idiosoma dark green or black. Ocular plates with one or two corneae. Short palps, three- or four-segmented, attached laterally and compressed laterally against gnathosoma. Both tritorostral and basirostral setae on rostrum. Carpite present between end of tarsus and central sclerite.

Genus Rhombognathus Trouessart, 1888

Dorsal plates well-developed, sometimes fused. Ocular plates with two setae and two corneae. Posterior dorsal plates with one or two pairs of setae. Adanal setae on anal plate. Ventral plates often fused. Epimeral plates often with adjunct setae. Adults with two, rarely one pair of subgenital setae. Palp four-segmented, P2 with single dorsal setae, P3 without setae, and P4 with three setae. Tarsus I with dorsolateral solenidion and famulus. Tarsus II with a dorsolateral solenidion. Males with plumose parambulacral setae on tarsus IV. All tarsi with lateral claws only and without ventral setae. Two or three nymphal stages. If only two nymphal stages present, they are proto- and tritonymph.

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