Ectomocoris binotatus Malipatil & Liu, 2023

Malipatil, M. B., Liu, Yingqi & Cai, Wanzhi, 2023, Revision of Australian Ectomocoris with the description of nine new species (Hemiptera: Heteroptera: Reduviidae), Zootaxa 5263 (4), pp. 451-504 : 457-460

Ectomocoris binotatus Malipatil & Liu , sp. nov.

( Fig. 4 )

Type specimens. [ all micropterous]. Holotype male, carded, Australia, Victoria, Creswick , xii.1953, A. Dunn ( MV). Paratypes: VICTORIA. 1 female, carded, Creswick , 27.xi.1951, A. Dunn ( MV) ; 1 female, Sedgewick, from S. J. Semmens, 29.iv.1913 ( MV) ; 1 female, Victoria, Ectomocoris ornatus St. ? Det. B. Uvarov. ( MV) ; 1 female, Glenrowan ( MV) . NEW SOUTH WALES. 1 female, “Calumet,” 26 m NE of Binnaway , K65244, xi.1931, A. Musgrave ( AM) ; 1 female, Wheogo, near Dunedoo , xii.1927, A. Musgrave ( AM) ; 1 female, 35 24S 149 23E, Whiskers 7 km WNW of Hoskinstown, at Melaleuca blossom, 27.xii.1991, M.S. Upton ( AM) .

Description.

Micropterous male ( Fig. 4A ) and female ( Fig. 4B–D )

Colouration ( Fig. 4 ): Black (with bluish tinge conspicuous in female), with reddish orange as follows: bases of abdominal second and third segments ventrally and conspicuously dorsally excluding fuscous median narrow area so dorsally base of abdomen appears with a pair of large reddish orange patches, connexiva both dorsally and ventrally including narrow adjoining areas of sternites (dorsally narrow areas of posterior margins of IV–VI tergites fuscous and appear banded), fore legs excluding apices of femora, dorsal aspects of tibia, and all tarsi fuscous. Bases of mid femora in some females brownish orange.

Structure ( Fig. 4 ): Body small, generally covered with fine short pubescence, with sparse longer bristles obvious on appendages. Scutellar area and pronotum shiny smooth.

Head: elongate fusiform, wholly covered with short whitish pilosity and sparse longer bristly setae, prominent on mandibular plates, dorsal aspect of head and between eyes, and on dorsal aspect of first labial segment.Anteocular region elongate triangular, clypeus near its base slightly elevated knobbed above mandibular plates. Interocular region with arcuate convex sulcus at posterior border of eyes, a small pit near base. Postocular region almost rounded to neck. Neck with lateral tubercles not obvious. Ventral surface of head tumid before eyes. Antennae with all segments cylindrical, with short whitish pilosity and sparse longer setae. Scape thickest, pedicel thinner, then basi-and distiflagellum thinnest. Eyes large, reniform, not reaching ventral margin in lateral view. Ocelli very small to almost obsolete in some females, not conspicuously raised, separated from each other by about thrice diameter of single ocellus, separated from eye by slightly more than twice diameter of single ocellus. Labium with second and third visible segments sparsely covered with longish setae.

Thorax: Anterior lobe of pronotum with collar armed with rounded and obvious tubercles at lateral ends, integument smooth, sulci indistinct, except shallow middle long sulcus in basal half. Posterior pronotal lobe short, arcuately quadrate, integument finely rugulose, with short pilosity, humeri rounded, posterior margin almost smoothly rounded, posterior angles not developed. Scutellum triangular, disc slightly depressed and finely granulate, sides slightly carinate, integument pilose, armed with a short strongly pointed apex. Meso-and metanotum generally also rugulose, carinate. Propleuron with integument finely faintly granulate, smoothly pilose, set off from dorsal surface by a carina. Mesopleuron integument minutely granulate, sparsely pilose. Metapleuron with integument more sparsely and distinctly granulate but granules not striate, metapleural sulcus not distinctly bicarinate and curved, pilose with silvery dense hairs posteriorly. All sternites more or less smooth, moderately pilose. Pronotum densely pilose laterad of labial groove. Mesosternum with disc raised, metasternum with disc more or less tumid. Hemelytra greatly reduced to minute sclerotized scale fused with thoracic notum.

Legs: Fore leg with coxa with whitish pilosity; trochanter unarmed, sparsely hairy; femur strongly fusiform, greatly incrassate near base narrowing distally, much thicker than other femora, armed below with rows of bristly setae, in addition sparsely pilose laterally and above; tibia cylindrical, more or less straight but apex slightly reflexed, fossula spongiosa present, occupying about half of tibial length; tarsi three segmented, cylindrical, denser short pilosity ventrally. Mid leg with coxa globular, femur only slightly thickened, tibia with short whitish pilosity for whole length, with fossula spongiosa only about one third its length. Hind leg with femur cylindrical, tibia with brush of seta, denser at apex.

Abdomen: In male, abdomen dorsally elongate oval, sternum not carinate in midline, shiny, smooth with sparse longer hairs in addition to pilosity, sternite VI without extragenital structure. Connexivum with golden pilosity as elsewhere on sternum, abdominal sterna and terga entire. Spiracles situated below connexival suture, about halfway between anterior and posterior margin of each segment. Each spiracle postero-ventrally with impressed spots not obviously visible. Dorsum with three small scent gland scars of subequal width on terga III–IV, IV–V and V–VI. In female, same as male, abdominal venter generally shinier ( Fig. 4C ).

Male genitalia: Median pygophore process elongate, narrowly spatulate, apically slightly curved to right side between parameres. Right paramere only slightly broader and larger than left. Phallus not examined.

Measurements: [of holotype male, followed by paratype female]. Body length 9.30, 12.00; maximum width of abdomen 2.60 (♁), 3.40 (♀); length of head 1.78 (♁), 2.09 (♀); length of anteocular region 0.87 (♁), 0.95 (♀); length of postocular region0.38 (♁), 0.41 (♀); width of head across eyes1.14 (♁), 1.33 (♀); width of interocellar space 0.25 (♁), 0.20 (♀); length of eye in dorsal view 0.41 (♁), 0.57 (♀); width of eye in dorsal view 0.34 (♁), 0.38 (♀); lengths of antennal segments I–IV 0.72 (♁), 0.95 (♀) / 1.71 (♁), 2.39 (♀) / 1.70 (♁), 2.12 (♀) / 1.44 (♁),? (♀); length of visible labial segments I–III 0.57 (♁), 0.79 (♀) / 0.95 (♁), 1.14 (♀) / 0.53 (♁), 0.60 (♀); length of pronotum 0.64 (♁), 0.79 (♀); length of anterior pronotal lobe 1.67 (♁), 2.09 (♀); length of posterior pronotal lobe 0.38 (♁), 0.31 (♀); length of scutellum 0.64 (♁), 0.79 (♀); maximum width of scutellum 1.02 (♁), 1.29 (♀); length of hemelytra - (♁), - (♀); length of fore tibia 1.97 (♁), 2.20 (♀); length of fossula spongiosa on fore tibia 1.02 (♁), 1.10 (♀).

Distribution. Australia (New South Wales and Victoria).

Etymology. The species epithet is the Latin adjective binotatus (meaning ‘marked with two spots’), alluding to the two conspicuous reddish orange spots or patches on the base of the abdomen dorsally.

Figures

FIGURE 4. Ectomocoris binotatus Malipatil & Liu, sp. nov., habitus. A, holotype, male; B–D, paratype, female. A, B, dorsal view; C, ventral view; D, lateral view.