Ectemnoides sp. A

Moulton, John K., Currie, Douglas C. & Craig, Douglas A., 2018, A New Genus, Ectemnoides, for Seven Species of Australian Gondwanan Simuliidae (Diptera) With Description of a Novel Form of Larval Attachment, Insect Systematics and Diversity 2 (4), No. 4, pp. 1-54 : 45

Ectemnoides sp. A ( Figs. 223–226 )

Not given full species rank because of lack of material. Based on a single partial exuviae of female pupa and attached larval cuticle, including hindgut intima.

Pupa (female partial exuviae): frontal plate with tubercles absent, but slightly roughened, frontal setae long with markedly curled tips, facial setae absent, plate broad and angulate, basal width-to-length ratio 1.0:1.4, maximum width-to-basal width 1.0:1.3. ( Fig. 223 ), thoracic cuticle roughened ( Fig. 225 ), gill ( Fig. 224 ) with short base, branching into three trunks, one thinner than others, total of 15 filaments (six each on the two thicker branches, three on the thinner), maximum length 3.6 mm, filament surface pseudoannulated. Larva (based on single partial exuviae attached to pupal exuviae). Abdomen: cuticle apparently smooth. Anal sclerite: absent; campaniform sensilla typical in number, but evenly arrayed around circlet ( Fig. 226 ). Posterior circlet: markedly small, ca. 37 rows with six hooks each (Total ca. 220).

Figures

Figs. 223–225. Ectemnoides sp. A, pupa. (223) Frontal plate, female. Scale bar = 0.2 mm. (224) Pupal gill. Scale bar = 0.5 mm. (225) Thoracic cuticle. Scale bar = 0.2 mm.

Fig. 226. Ectemnoides sp. A, last instar larva, circlet of hooks. Note absence of anal sclerite.Arrows indicate campaniform sensilla. Scale bar = 0.05 mm.