Malgadrymus bimaculatus Zámbó & Kondorosy, 2022
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publication ID |
https://doi.org/ 10.37520/aemnp.2022.016 |
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publication LSID |
lsid:zoobank.org:pub:31583440-DFEE-4C2A-AF77-2654A660E6F3 |
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persistent identifier |
https://treatment.plazi.org/id/03EA87F4-FFE1-3B5A-FCEC-FE1A57A1FA9E |
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treatment provided by |
Felipe |
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scientific name |
Malgadrymus bimaculatus Zámbó & Kondorosy |
| status |
sp. nov. |
Malgadrymus bimaculatus Zámbó & Kondorosy , sp. nov.
( Figs 2 View Figs 1–2 , 3–4, 7–8 View Figs 3–10 , 16 View Fig )
Type locality. Central Madagascar, Ranomafana National Park, 21°14′51″ S 47°24′13″E.
Type material. Hඈඅඈඍඒඉൾ: J, Madagascar-CE 2010 / Ranomafana N. P.; 16.-18. xi. / S21°14′51″ E47°24′13″ / 1079m sifting, P. Baňař lgt. // HOLOTYPUS [pr] / Malgadrymus / bimaculatus [hw] / det. Zámbó & Kondorosy [pr, red label] ( MMBC). Pൺඋൺඍඒඉൾඌ: Madagascar-N / Montagne d’Ambre N. P. / 26.-30. x. 2010, surr. camp. / sweeping; P. Baňař lgt. (1 ♀, MMBC); Madagascar, 2007, / Lokato env., near / Andasibe-Mantadia N.P., / M. Trýzna leg., 9.-10.i. (1 ♀, EHIA); ASB / light Madagascar / Andasibe N. P.; 12. iv. 2011 / 943m; forest edge, at light / S18°56′09.5″ E48°25′08.2″ / P. Baňař & local collectors lgt. (1 J, MMBC); Madagascar-CE 2010 / border of Andasibe N. P.; 916m / „Parc d’ Orchidées”; 3.-6. xi. / S18°55′59.9″ E048°24′46.5″ / at light; P. Baňař and loc. coll. lgt. (1 ♀, MMBC); Madagascar-CE 2010 / border of Andasibe N. P.; 916m / „Parc d’ Orchidées”; 3.-6. xi. / S18°55′59.9″ E048°24′46.5″ / M. Trýzna & loc. coll. lgt. (3 JJ, EHIA); MadagascarCE 2010 / Ranomafana N.P.; 16.-18.xi. / S21°14′51″ E47°24′13″ / 1079m sifting, P. Baňař lgt. (2 JJ 1 ♀, MMBC, 1 J, EKKH, 1 J, NMPC); Madagascar-CE; 1170m / Ranomafana N. P.; 17. xi. 2010 / Amboditanimena env.; at light / S21°12′14.9″ E047°22′05.2″ / secondary forest; P.Baňař lgt. (1 ♀, MMBC); Madagascar-CE 2010 / Ranomafana N. P.; 11.-18. xi. / S21°15′22.6″ E47°25′17.8″ / 958m; at light; P. Baňař lgt. (1 J 3 ♀♀, MMBC, 1 ♀, HNHM, 1 ♀, NMPC); Madagascar-CE 2010 / Ranomafana N. P.; 14. xi. 2010 / Vohiparana env. 1130m / S21°14’26.0” E047°23’40.2” / pasture, at light; P. Baňař lgt. (1 J 1 ♀, MMBC); CE Madagascar 2014 / Fianarantsoa pr., main ent- / rance of Ranomafana N. P. / 21°15.380′ S 47°25.323′ E / 933m, 3. ii., M. Trýzna leg. (1 J 2 ♀♀, MMBC); Madagascar / Adivoangy [corr.: Ambodivoahangy] / XI. 1950 Vadon [hw] (1 ♀, MNHN).
Description. Colour. Body ( Fig. 2 View Figs 1–2 ) brown (from pale to dark); scape from yellowish-brown to rather yellow; apical part or whole basiflagellum, in some specimens also apical part of distiflagellum, relatively wide midline of anterior pronotal lobe, 1-1 round large sublateral spots on scutellum and trichobothrial spots of sternites black; pedicel, labium and legs (except for coxae and mostly partially brown femora) yellow; anterior part of lateral half of clavus and subapical spot on its inner part, anterior part of corium until level of apex of scutellum, small subapical spot on exocorium in middle of dark part more or less reaching anteriad toward branch of R+M veins and spot of variable size between R and Cu veins and several spots of membrane (base in inner half, large subbasal spot in lateral half, large elongate spot in inner part and veins at least in apical part) more or less yellowish white; base (at most basal half) of basiflagellum and, basal third to half of distiflagellum red.
Pilosity similar to previous species.
Structure. Head and thorax dull except for mesosternum, antennae and legs, latter being shiny with abdomen. Scutellar row of punctures on clavus only sometimes sparse, consisting of more than 10 punctures.Area between corial furrow and row along Cu with numerous punctures especially proximally but often apical part with some punctures. Body 2.5–3.1 times (males: 2.8–3.1, females: 2.5–2.8) longer than wide. Antenniferous tubercles rather short (eye 2.3–2.9 times as long as them).
Male abdomen and genitalia. Abdomen of males more or less evenly flat. Pygophore: Subglobose, dorsal aperture nearly hexagonal ( Fig. 3 View Figs 3–10 ), slightly longer than wide, posterior sinus more than 1.50 times narrower than anterior one, separated with very small tooth-like projection. Entire pygophore sparsely covered with fine longer and shorter erect setae. Cup-like sclerite huge, strongly elongate dorsally, markedly emerging above aperture (see Fig. 4 View Figs 3–10 ). Paramere: very different from any known Drymini paramere, elongate stick-like, shank strongly curved ventrally, inner projection almost semicircular, apical part of blade slender, curved backwards ( Figs 7–8 View Figs 3–10 ).
Female abdomen. Abdominal sternite VI medially only slightly narrowed (posterior margin straight), sternite VII medially shorter than sternite IV, about as long as sternite V. Abdomen flatter, 2.04–2.17 times longer than high, outline of sternite VII clearly convex.
Measurements (in mm). Males (n = 10, holotype in parentheses). Total body length: 2.88–3.30 (3.00); head: length 0.42–0.48 (0.48), width 0.57–0.66 (0.60), interocular space 0.33–0.40 (0.39); length of antennomeres: I 0.24–0.30 (0.30), II 0.33–0.54 (0.48), III 0.33–0.50 (0.45), IV 0.33–0.51 (0.51); length of labiomeres: I 0.27–0.39 (0.30), II 0.30–0.40 (0.36), III 0.20–0.30 (0.21), IV 0.18–0.26 (0.18); pronotum: length 0.57–0.65 (0.57), width 0.93–1.02 (0.93); scutellum: length 0.54–0.66 (0.60), width 0.48–0.56 (0.54).
Females (n = 11). Total body length: 3.54–4.23; head: length 0.48–0.51, width 0.66–0.81, interocular space 0.39– 0.48; length of antennomeres: I 0.27–0.42, II 0.48–0.60, III 0.39–0.54, IV 0.45–0.54; length of labiomeres: I 0.30–0.50, II 0.33–0.56, III 0.25–0.35, IV 0.23–0.30; pronotum: length 0.69–0.96, width 1.14–1.50; scutellum: length 0.66–0.90, width 0.63–0.87.
Differential diagnosis. Malgadrymus bimaculatus Zámbó & Kondorosy , sp. nov. is superficially similar to M. pameroides Zámbó & Kondorosy , sp. nov. but they can be easily distinguished from each other. The main structural differences are: the anterior and posterior pronotal lobe are of similar length in M. bimaculatus while in M. pameroides the anterior lobe is much longer (1.54–1.68 times) than the posterior lobe; the male pygophore and paramere (see Figs 3A–D View Figs 3–10 ) and the last abdominal segments of the female are also very different in both species. The most important colour differences are the following: 1) most of the basal part of distiflagellum of M. pameroides is white but reddish in M. bimaculatus , 2) anterior pronotal lobe of M. pameroides is unicoloured while it shows a wide longitudinal black spot in middle in M. bimaculatus , 3) posterior pronotal lobe with pale humeral spots and a long inverse T-shaped pale spot in middle in M. pameroides while in M. bimaculatus it exhibits 3 pale longitudinal stripes (humeral part dark), 4) scutellum of M. pameroides uniformly dark coloured while in M. bimaculatus the scutellum is paler brown and with large 1-1 large black spots sublaterally.
Etymology. The scientific name “ bimaculatus ” refers to the two dark spots of scutellum; adjective.
Collecting circumstances. Several specimens of M. bimaculatus were collected by sifting of forest leaf litter ( Fig. 16 View Fig ), most of them were attracted to light traps, sometimes also in disturbed habitats (pasture, secondary forest margin).
Distribution. This species is endemic to the island, it was found in various localities of evergreen rain forest from northern to central Madagascar so far ( Fig. 12 View Fig ).
Key to the species of Malgadrymus
Zámbó & Kondorosy gen. nov.
1 Most of basal part of distiflagellum white, callar region strongly elevated and anterior pronotal lobe 1.54–1.68 times as long as posterior one, uniformly fuscous, posterior lobe of pronotum coloured as in Fig. 1 View Figs 1–2 , scutellum uniformly dark, abdomen of females rather high, 1.49–1.58 times longer than high, blade of paramere triangular. ..................................................................... ........ M. pameroides Zámbó & Kondorosy , sp. nov.
– Most of basal part of distiflagellum reddish, callar region slightly elevated and anterior pronotal lobe about as long as posterior one, with black longitudinal spot in middle, coloured as Fig. 2 View Figs 1–2 , scutellum pale brown with 1-1 large black sublateral spots, abdomen of female specimens rather flat, 2.04–2.17 times longer than high, blade of paramere slender. .......................... ...... M. bimaculatus Zámbó & Kondorosy , sp. nov.
Appolonius madagascariensis Zámbó & Kondorosy ,
sp. nov.
( Figs 6, 10–12 View Figs 3–10 View Fig View Fig )
Type locality. Southwestern Madagascar, Atsimo-Andrefana Region, Sakaraha, Ilakaka, S 22°43′16.10″ E 45°12′24.27″.
Type material. Hඈඅඈඍඒඉൾ: J, Sakaraha / Ilaka [= probably Ilakaka; Ilaka is more than 800 km from Sakaraha] / III-56 A. R. // Institute / Scientifique / Madagascar // HOLOTYPUS [pr] / Appolonius / madagascariensis [hw] / det. Zámbó & Kondorosy [pr, red label] ( MNHN). Pൺඋൺඍඒඉൾ: 1 J, Coll. Mus.Tervuren / Madagascar:Tanandava / (lumiére) 1963 / 1964 / G. Schmitz ( RMCA).
Description. Male. Colour. Body ( Fig. 11 View Fig ) fuscous; apical third of pedicel, posterior pronotal lobe (except for yellow spots: medial spot not reaching posterior margin, two oblique longitudinal spots from edges of scutellum oriented to middle of anterior margin and two tiny spots on humerus), distal half of clavus (except for pair of connected elongate spots between two rows of punctures along scutellum), spot in middle of exocorium, posterior third of corium connected through vein R with spot on posterior fourth of vein Cu (except for very apex of corium and large oval spot between veins R and Cu), veins of membrane in apical half, profemora except for apex, rather narrow subapical rings of meso- and metafemora and abdomen brown; apex of clypeus, more than apical third of distiflagellum, supracoxal plates, posterolateral part of proepimeron and metepimeroid reddish-brown; scape, labium, abovementioned spots of posterior pronotal lobe, hemelytra, peritreme and legs (except for dark parts of femora) yellow; lateral margin of pronotum except for brown posterior third, oval spot near inner angle of corium and membrane whitish.
Pilosity. Head and thorax (including hemelytra) nearly glabrous, only with extreme tiny setae hardly emerging from punctures, all antennomeres densely covered (scape less densely) with relatively short, fine decumbent setae and scattered slightly longer (but also not reaching diameter of any antennomere) erect setae (on apex of antennomeres some stronger dark setae); legs with hardly visible fine semidecumbent setae, inner margin of tibiae with a few preapical stiff setae; abdominal venter sparsely covered with relatively short, fine, decumbent setae.
Punctation. Head and thorax very densely punctate with minute well separated punctures, some of them slightly larger, especially on posterior lobe of pronotum, on scutellum and on corium along vein R+M. Clavus with 3 full and regular rows of punctures, rows along corium approaching each other apically. Corium evenly punctate except for impunctate exocorium and pale spot at inner angle, regular rows present along clavus and exocorium only. Anteriad of mesocoxae shiny area with micropunctures only. Evaporative area with scattered punctures as well. Mediane of posterior pronotal lobe, supracoxal lobes and metepimeroid impunctate. Abdominal venter densely punctate on middle area, laterally with hardly detectable micropunctures.
Structure. Body dull (except for shiny membrane, medial part of abdominal venter and legs), rather slender (2.70–2.75 times longer than wide). Head declivent, relatively broad, 0.81–0.84 times wider than maximal width of pronotum, vertex slightly convex. Eyes sessile, large and protruding laterally. Antenniferous tubercles on base slightly divergent, strongly convergent anteriad (similarly to most Appolonius species), base of antennae about 0.55 times shorter than diameter of vertex (= distance of inner margins of eyes). Antennae relatively long, slightly shorter than half length of body. Scape, pedicel and basiflagellum subcylindrical (slightly widening apically), distiflagellum fusiform, diameter of basiflagellum and distiflagellum subequal, pedicel slightly narrower than other antennomeres (widest part 0.80–0.82 times as wide as scape and 0.75–0.78 times as wide as basi- and distiflagellum). Labium reaching mesocoxae, labiomere I reaching base of head, labiomere II reaching procoxae. Bucculae rather high, covering about half height of labiomere, reaching almost base of head. Pronotum subquadrate, relatively wide, nearly as wide as maximum width of body, callar area rather high, distinctly elevated above head, transverse impression of pronotum complete and strong, anterior lobe not much longer than posterior one, humeral angles rounded, anteriad of corner with tiny acute protrusion. Lateral margin of pronotum straight, except for shallow concavity at level of transverse impression, detectably explanate (in anterior third about 0.50 times wider than base of pedicel and at level of transverse impression 1.60 times wider than base of pedicel). Scutellum elongate, convex, with blunt Y-shaped elevation, subbasally with pair of large oval humps touching each other medially, in posterior half with slightly emergent median keel. Clavus rather narrow, scutellum 3.18–3.60 times longer than claval commissure. Lateral margin of corium parallel in anterior two-thirds, slightly narrowing posteriad; exocorium anteriorly upturned; veins of corium hardly visible. Membrane surpassing abdomen a little, veins weak. Metathoracic scent gland evaporatorium large, covering more than half of metapleuron, lateral margin almost straight, narrowly reaching lateral margin along posterior margin of mesopleuron. Ostiole and peritreme straight, peritreme short (distance of peritreme from lateral margin of evaporatorium similar to its length), oriented slightly posteriad, ostiole oriented slightly anteriad, not widening laterad. Coxae unarmed. Profemora incrassate (1.30–1.40 times wider than metafemora) anteroventrally in apical fourth armed with 7–8 very short teeth in row, posteroventral surface with many tiny humps; meso- and metafemora unarmed. Tibiae straight, protibia slightly widening toward apex.Abdominal sternite VI (of male) medially strongly narrowing, more than 3 times narrower than laterally, therefore sternite VII strongly arched and genital segment situated ventrally.
Male genitalia. Pygophore somewhat elongate ( Fig. 6 View Figs 3–10 ), dorsal aperture sexangular (nearly hexagonal), posterior margin of ventral aperture semicircular, anterior margin (= posterior margin of teeth) straight, teeth large, but considerably shorter than distance of them. Paramere: Shank ( Fig. 10 View Figs 3–10 ) very short (about as long as one-fifth of entire length of paramere), blade subtriangular, apex blunt.
Measurements (in mm, n = 2, holotype in parentheses): Total body length: 2.76 (2.55); head: length 0.56 (0.52), width 0.90 (0.84), interocular space 0.48 (0.45); length of antennomeres: I 0.16 (0.17), II 0.30 (0.27), III missing on paratype (0.33), IV missing on paratype (0.45); length of labiomeres: I 0.32 (0.30), II 0.36 (0.34), III 0.36 (0.36), IV 0.18 (0.16); pronotum: length 0.75 (0.63), width 1.08 (0.93); scutellum: length 0.57 (0.51), width 0.62 (0.54); claval commissure length 0.16 (0.15).
Female. Unknown.
Differential diagnosis. Appolonius madagascariensis Zámbó & Kondorosy , sp. nov. is a typical member of the genus Appolonius (currently including 12 species from the tropical regions of the Eastern Hemisphere). The main characters of the genus are vertical head with large protruding eyes, convergent antenniferous tubercles (antennae markedly nearer to each other than inner margins of eyes), thick antennae and long prominent bucculae, nearly quadrate pronotum with almost straight lateral margin widened at transverse impression, clavus having three rows of punctures, and profemora with one anteroventral row of small teeth.
Appolonius madagascariensis Zámbó & Kondorosy , sp. nov. share with most Appolonius species having translucent membrane (all non-Afrotropical species, one of the 2 known Afrotropical species and some undescribed ones), while A. salacioloides Slater, 1994 from Southern Africa has dark membrane. Many species have a unicolorous (yellow, brown or black) posterior lobe of the pronotum; 3 longitudinal streaks are present in the Indian A. picturatus Distant, 1918 , the African A. quadratus Scudder, 1956 and the Australian A. territorialis Gross, 1965 ; and it is also sometimes rather apparent in two other Indian species, A. cincticornis (Walker, 1872) and A. indicus Chopra & Singal, 1982 ; at last A. salacioloides shows only a pale midline. Most species have a rather pale corium, only A. madagascariensis sp. nov., the Australian A. robustus Gross, 1965 , A. salacioloides and often A. quadratus show corium with totally dark apical fourth.
The Afrotropical species ( A. madagascariensis sp. nov., A. quadratus , and A. salacioloides ) agree in several features. The closest relative of the Madagascan species is probably A. quadratus which differs in 1) body length ( A. quadratus is above 3 mm, while A. madagascariensis sp. nov. is under 2.8 mm; 2) apex of pedicel colouration: brownish-black in A. madagascariensis , while yellow or black in A. quadratus ; 3) colouration of corium: less than half of corium of A. madagascariensis is black, with big pale spot at inner angle, contrary to A. quadratus where the posterior two-thirds of the corium are dark and with only smaller pale patches.
Etymology. The species epithet “ madagascariensis ” refers to the distribution of this species; adjective.
Habitat. Most probably (according to type locality) collected south of Isalo National Park in southwestern Madagascar, in strictly seasonal low canopy forest mixed with savannah; the holotype was collected at the end of rainy season (March).
Distribution. Endemic to Madagascar, known only from southwestern part of the island ( Fig. 12 View Fig ).
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