Paraxenylla Murphy, 1965

Xenylla (Paraxenylla) Murphy, 1965

Haloxenylla Gama & Deharveng, 1984

Type species Xenylla (Paraxenylla) mangle Murphy, 1965

Diagnosis of the genus (after Palacios-Vargas & Janssens 2006, modified). Habitus of Xenylla . Length 0.36- 1.5 mm. Body with blue pigment. PAO absent. 5+5 eyes. Mouthparts strongly modified. Mandible head narrow and subparallel distally. Maxillary ungulum reduced. Labral chaetae 2, 4–7/5, 5, 4. Ant IV with four thickened S-chaetae, one S-microchaeta and one subapical organ, the apical bulb simple or trilobed. Empodial appendage absent. Furcula developed, mucro present. Tenaculum with 2-4 teeth on each ramus. Anus terminal, abdominal segment VI as a truncate cone. Anal spines absent.