Parapentaneura

Stur, Elisabeth, Fittkau, Ernst Josef, Da, Mirian A. & Serrano, Silva, 2006, Parapentaneura bentogomensis gen. n., sp. n., a new Tanypodinae (Diptera, Chironomidae) from Brazil, Zootaxa 1384, pp. 59-68 : 66

Parapentaneura sp.

( Figs 11–12 , 16 )

Material: 1 female imago with pupal and larval exuviae (reared), Brazil, Mato Grosso, Bento Gomes River near Poconé, among Salvinia roots, 30.i.1997, M. A. Serrano, ( ZSM).

PUPA. Small, brownish. Thoracic horn ( Fig. 11 ) flattened; sparsely covered with week spinules, ventral points as in Figure 12 ; horn atrium with alveolar area reduced, central duct distinct, plastron plate with distinct neck; corona present, more than half the length of horn; plastron plate about half the length of corona. Thoracic comb with 10 (n = 1) rounded teeth, longest tooth about 3 times longer than broad.

Abdomen similar to P. bentogomensis . Anal lobe of female about 1.3 (n = 1) times longer than broad ( Fig. 16 ).

LARVA. Similar to P. bentogomensis except for: Head capsule small, pale brown. AR about 2.7. Basal segment of maxillary palp about 3 times longer than wide; paraligula bifid; pecten hypopharyngis with 7 teeth.

Figures

FIGURES 9 – 12. Parapentaneura bentogomensis gen. n., sp. n. (9 – 10) and Parapentaneura sp. (11 – 12), pupae. 9, ecdysial margin of mesonotum with dorsocentrals. 10 & 11, thoracic horn with thoracic comb. 12, points on ventral side of thoracic horn.

FIGURES 13 – 16. Parapentaneura bentogomensis gen. n., sp. n. (13 – 15) and Parapentaneura sp. (16), pupae. 13, tergite VIII and anal lobe, male. 14, tergite VIII and anal lobe, female. 15, tergites I – VII. 16, anal lobe, female.