Austroectobius invunche Vera & Schapheer 2018, n. sp.
Creators: name: Vera, Alejandro
name: Schapheer, Constanza
Publisher: name: Zenodo
Year: 2018
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Blattodea
Ectobiidae
Austroectobius
Austroectobius invunche

description: Austroectobius invunche Vera & Schapheer n. sp.   
Figures: 1–7  
 Material examined: Holotype, male: Chile, Región de los Lagos, Isla Grande de Chiloé, Cucao. On Fascicularia bicolor (42°32’56”S / 74°06’07”W), 5/II/2001, col. A. Vera. Paratype: 1 female with same holotype data. 1 male: Chile, Región de los Lagos, Llanquihue, Todos los Santos Lake 13/II/2001 col. A. Vera. All specimens dried pinned and deposited in MNNC.   
 Etymology: invunche: name in Chiloé mythology that describes a deformed and twisted monster, created by the sorcerers of the island with a Christian child.   
 Habitus (Figs. 1a, e): small insects, body oval, wider in the female, both sexes with small oval tegmina and hind wings absent.   
General coloration yellow with dark spots, yellow head, dark eyes, front and clypeus dark brown (Figs. 1b, e). Thorax side margins translucent and yellow, brown center with two dark longitudinal bands in thoracic segments I to III, pronotum anterior margin yellow; translucent yellow tegmina; yellow legs with dark brown spots at base of spines and distal end of tibiae in dorsal view. Abdomen with I to VIII tergites with brownish to reddish spot that occupies 2/4 of middle area, dark sternites in center, cerci with segments I–III dark brown in dorsal view (Figs. 1a, d); tergites of lateral margin yellow in male, subgenital plate with quadrangular spot in center, yellow styles; female tergites are darker with spots on margins.  
 Description. Male. Head (Fig. 2a): subtriangular, wide as long, frontoclypeal suture incomplete (Fig. 2b.). Without ocelli, anterior and posterior clypeus not prominent, bilobed labrum. Mandible (Fig. 2c.) right with three triangular incisors, rectangular molar region with two sharp teeth in distal margin. Maxillae (Figs. 2d, f): lacinia with two apical teeth mostly fused, sharp and curved; with row of setae along its medial margin (Fig. 2e.); short base lacinula with three teeth of length similar to setae of the row (Fig. 2f.). Maxillary palp longer than head, segments III and V of similar length, the latter triangular, segment IV two thirds of III (Fig. 2d.); stipes length similar to lacinia. Labium (Fig. 2g.): square submentum, mentum twice as wide as long, prementum divided medially into two subtriangular regions, as wide as long; oval paraglosa with acute apex; sclerotised glosa, with two segments of similar length, distal segment acute (Fig. 2h); labial palp with segment III similar to sum of the previous two, with rounded apex.   
Thorax (Figs. 1a, c): convex pronotum, trapezoidal with rounded corners, straight anterior and posterior margins, with a smooth and glossy surface; transverse mesonotum and metanotum, almost four times wider than long, with straight posterior margin; tegmina ellipsoidal without obvious venation, do not exceed the edge of mesonotum; hind wings absent.  
 Legs: short and robust (Figs. 1b, 3); tarsi of the three pairs of legs, with developed pulvilli in tarsomeres I– IV (Fig. 3), sharp and curved claws, symmetric without specialization, developed arolium, with dorsal sclerosis; tarsomeres proportions in each pair of legs 1° 2:1:0.7:0.5:1.5; 2° 3.5:1.3:0.8:0.5:1.5; 3° 4:1.5:1:0.5:1.5. Fore leg (Fig. 3 a): spines on the antero-ventral margin of the front femur Type A 3, with a row of 11 stout spines on anterior margin which decrease gradually in sizeand ends in 3 larger spines, the apical spine measures a third of the length of tibia; tibia with 3 dorsal, 3 ventral and 4 apical spines. Middle leg (Fig. 3b): Femur with 5 to 6 spines on the antero-ventral margin, with genicular spines; tibia with 3 ventral spines, 8 dorsal and 4 apical. Hind leg (Fig. 3c): Femur with 7 spines on the antero-ventral margin, with genicular spines; tibia with 8 ventral spines, 11 dorsal and 5 apical.   
Abdomen without tergal specializations (Figs. 1a, c); smooth and flat tergites, straight posterior margin and laterally slightly convergent backwards, rounded posterior angle; tergite VIII narrow and covered almost entirely by VII; sternites with smooth surface, convex, rounded lateral margins which do not exceed the tergites; sclerotized supra-anal plate (Fig. 4b), transverse, trapezoidal in shape, with thick and straight posterior margin, it extends just beyond the second segment of the cerci; fusiform cerci, with eight segments (Fig. 4c). Asymmetric paraprocts (Fig. 4c), flat and sclerotized, spatula-shaped; with three rounded lobes on medial margin. Right paraproct with a spine directed anteriorly on the central lobe; left paraproct with lobes separated by a median cleft. Subgenital plate trapezoidal (Fig. 4a), straight posterior margin, slightly asymmetric; apodemes with rounded apex, left extends to sternite V, right apodeme is attached to left and only extends to sternite VI; cylindrical styles (Fig. 4a), left with a proximal tooth, external, sharp and bent (Fig. 4d).  
Genitalia. Phallomeres (Figs. 5–6): left phallomere with L3d subtriangular, L2d (Fig. 5e) with genital hook broadly-based and strongly narrowed towards apex, curved apex in form of a wide fist, with two lateral teeth, subapical incision small. Right phallomere (Fig. 5a, b, c, d) sclerite R3v canoe-shaped, R2 like a wavy bifurcated fork. Medium phallomere with 3 sclerites and ejaculator duct specialized. L1a (=L2vm) with straight apical end, acute; twisted in middle of its length with a medial spine (Figs. 5c, d). L1b is ventral to L1a (Fig. 5c), sclerotized, with base extends in a subtriangular medial plate, a prominent staff extends from its base, dorsally grooved, with round apex and heavily striated surface (Fig. 6b), in middle of its extension it has a curved laminar bifurcation to the right (Fig. 6a). The laminar base of L1b continues in a extern ejaculatory duct with a dilated piriform base (Figs. 5 b–d) and a flexible sclerotized long tube. This tube is rolled up inside a large invagination of medium phallomere (Figs. 5b, 6a), this extends twisted above L1a (Fig. 6a) to subgenital plate apodeme, it returns and engages in a groove of L1b (Figs. 5c, d, 6a), apex arched, sharpened and with a rough surface (Fig. 6c). L1c is dorsal to L1a (Figs. 5a, c, d), shaped like a triangular sheet medially folded. A ventral sclerite to L1b (Figs. 5c–d), transverse and lanceolate, this may be is similar to L2v?  
Female. Sexual dimorphism: female is similar to male, but female is wider and tergal pigmentation in abdomen presents dark irregular brown spots, denser towards medial region (Fig. 1d).  
Female genitalia: tergo X with rounded posterior margin; paraprocts flat and spatulate, with sclerotized anterior and posterior branches (Fig. 7); broad subgenital plate with rounded posterior margin (Fig.7); without interspersed sclerite; developed valves, wide, extended to paraprocts; genital sclerites symmetrical, paratergite short and curved; laterosternite IX circular; first valvifer arm sclerotized, with triangular plate shape, over it a ringshaped spermatecal plate, strongly sclerotized ring around spermatheca pore; basivalvula and sternite IX as strongly sclerotized sheets "v" shaped.  
Nymphs: color pattern, pronotum shape and anterior femur spines are distinguishable in nymphs from 4mm body length.  
Ootheca: unknown
description: Published as part of Vera, Alejandro & Schapheer, Constanza, 2018, Austroectobius invunche: new genus and species of Ectobiidae for Chile (Insecta, Blattaria), pp. 115-125 in Zootaxa 4500 (1) on pages 116-120, DOI: 10.11646/zootaxa.4500.1.7, http://zenodo.org/record/5297382