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Zoology Publications from Victoria University of Wellington—Nos. 66 and 67

Xenylla mucronata Axelson, 1903 — Figs. 85-89

Xenylla mucronata Axelson, 1903
Figs. 85-89

Axelson's (1912, pls. iv and v) figures of this species deal with the furcula and anal spines. Specimens from BMNH Boerner's collection have been used for the figures included here and these add considerably more detail for the identification of this species.

Notes: Sensory structures of Ant IV are as drawn in Fig. 85. The SO Ant III (Fig. 87) is similar to that of X. longicauda Folsom with the two inner small sense rods completely hidden behind a high cuticular fold. The two tenent hairs of each foot of equal length (Fig. 86); papillae of anal spines contiguous; mucro incompletely separated from dens which bears two simple setae only on posterior face (Fig. 89). The species X. longicauda and X. mucronata are very similar differing mainly in the shape of the mucro and the extent of its lamella, and by the form and degree of separation of the anal spines and their papillae.

page 18
Figs. 73-82 Xenylla longicauda Folsom, drawn from specimen in Boerner collection BMNH and from cotype in USNM.page 19

Figs. 73-82 Xenylla longicauda Folsom, drawn from specimen in Boerner collection BMNH and from cotype in USNM.

Fig. 73 Ant IV and apex Ant III from cotype USNM showing sensory structures × 500
Fig. 74 hind foot from specimen in BMNH × 500
Fig. 75 ocelli from specimen in BMNH × 500
Fig. 76 anal spines from specimen in BMNH × 500
Fig. 77 mucrodens from specimen in BMNH × 500
Fig. 78 hind foot from cotype USNM × 600
Fig. 79 SO Ant III side view from cotype USNM × 1000
Fig. 80 mucrodens from cotype USNM × 600
Fig. 81 side view of mucro from cotype USNM × 600
Fig. 82 anal spines and associated setae from above cotype USNM × 1000

Figs. 83-84 Xenylaa maritima Tullberg, drawn from specimen in Boerner collection BMNH.

Fig. 83 hind foot × 400
Fig. 84 mucrodens × 400

Figs. 85-89 Xenylla mucronata Axelson, drawn from specimens in Boerner collection BMNH.

Fig. 85 apex Ant IV × 320
Fig. 86 hind foot × 400
Fig. 87 SO Ant III from side × 1000
Fig. 88 anal spines and dorsal setae on Abd VI × 320
Fig. 89 mucrodens × 1000