Daternomina trulla (Neboiss)

Cartwright, David I., 2008, A review of the Australian species of Ecnomina Kimmins and Daternomina Neboiss (Trichoptera: Ecnomidae), Zootaxa 1774 (1), pp. 1-76: 16-17

publication ID

http://doi.org/ 10.11646/zootaxa.1774.1.1

DOI

http://doi.org/10.5281/zenodo.5124121

persistent identifier

http://treatment.plazi.org/id/0749822F-FFE4-6029-6AE7-CD98C9F8AE22

treatment provided by

Felipe

scientific name

Daternomina trulla (Neboiss)
status

comb. nov.

Daternomina trulla (Neboiss)   comb. nov.

Figures 22–24 View FIGURES 19–24

Ecnomina trulla Neboiss, 1982: 295   , figs 54–56. — Neboiss 1986: 156.

Diagnosis. Daternomina trulla   resembles D. ulltra   in possessing rounded apices on the superior appendages and inferior appendages which are short, fused basally and curved laterally, but differs in having a relatively shallow notch distally, dividing at most the distal quarter and a weakly down curved phallic guide.

Description. (Revised after Neboiss 1982). Head, body and wings brown; wings similar to D. irrorata   ( Fig. 1 View FIGURES 1–6 ). Forewing length about 3 times width: male 4.0– 4.4 mm. Forewing fork 2 relatively long, sessile, length about 1.7–2.0 times length of fork 3, nygma present; fork 3 relatively long, length about 1.8–2.7 times length footstalk, footstalk length about 1.4–2.3 times length cross-vein m; r-m and m displaced at fork 3 by about 1.7–1.8 times length cross-vein m; fork 4 length similar to fork 3; fork 5 long, length about 1.8 times length of fork 4. Hindwing length about 3 times width; fork 2 with short footstalk, length footstalk 0.9–1.2 times length cross-vein r-m, fork 2 length about 1.4–1.7 times length of fork 3.

Male. Tergum X membranous ( Fig. 24 View FIGURES 19–24 ). Superior appendages slightly laterally compressed; in lateral view, broad, length about 2.5 times width ( Fig. 22 View FIGURES 19–24 ); in dorsal view, length about 3.5 times width, with two groups of spines on inner surface ( Fig. 24 View FIGURES 19–24 ). Phallus generally tube-like with a pair of elongate processes dorsally; with a single relatively long and slender, curved process (phallic guide) arising from near the base of the inferior appendages ( Fig. 22 View FIGURES 19–24 ). Inferior appendages strongly dorso-ventrally compressed; in ventral view, fused, robust, rounded sided, with a short, narrow V-shaped notch distally ( Fig. 23 View FIGURES 19–24 ); in lateral view, relatively straight ( Fig. 22 View FIGURES 19–24 ).

Female. Unknown.

Material examined: Western Australia. Holotype male, Napier Creek , 22 km NE of Albany, 29 Nov 1978   , A.N. ( NMV, T- 6242, specimen PT-628 figured). Other material. 1 male, Seldom Seen Brook, Jarrahdale, Stn 7, 2 Mar 1983   , S. Bunn; 1 male, same locality and collector, 6 Jan 1984   ; 1 male, same locality and collector, 8 Feb 1984   .

Remarks. Four male specimens of Daternomina trulla   have been collected from two sites in southern Western Australia (latitudinal range 31°14'- 34°50'S). Neboiss’s (1982) figures have been redrawn to allow direct comparisons and to accompany the description that is revised in light of new interpretations of Daternomina   genitalic structures.

NMV

Museum Victoria

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Trichoptera

Family

Ecnomidae

Genus

Daternomina

Loc

Daternomina trulla (Neboiss)

Cartwright, David I. 2008
2008
Loc

Ecnomina trulla

Neboiss, A. 1986: 156
Neboiss, A. 1982: 295
1982