Liscocephala fumosa BARROs & Barão & Grazia 2020, sp.n
| Main Authors: | BARROs, Lurdiana D., Barão, Kim R., Grazia, Jocélia |
|---|---|
| Format: | info publication-taxonomictreatment Journal |
| Terbitan: |
, 2020
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| Subjects: | |
| Online Access: |
https://zenodo.org/record/4362548 |
Daftar Isi:
- Liscocephala fumosa sp.n. Figs. 13 A– F, 16A, C, 17, 18Fiv, K, 20A, C, E, G, I, K Diagnosis. Body oval. Head wider than longer. Anten- nomere 1 robust compared to the other antennomeres; antennomere 2 less than 1/4 of the first, hardly visible; antennomere 3 conical, flattened dorsally, longer than an- tennomere 5. Labiomere 1 robust. Anteriormargin of pro- notum strongly concave; posterior margin of pronotum rectilinear. Scutellum longer than wide. Foveae smaller than the diameter of a compound eye. Coria longer than scutellum, not surpassing apices of abdominal tergite 5. Valvifers 9 depressed. Laterotergites 9 not surpassing ter- gite 8. Description. Body small (total length: 8.55 mm). Measurements: Table 4. Colouration: General coloration brownish gray dorsally, dark brown ventrally, densely punctate with large punctures. Head and clypeus with dark brown callosities. Ocelli red. Antennomeres uni- formly brownish. Antenniferous tubercles and maxillary plates dark brown. A longitudinal line on pronotum, an- terolateral margins of pronotum and lateral margins of coria pale yellow. Scutellum with impunctate brownish callosities, laterally foveate (Fig. 13A). Pro-, meso- and metasternum uniformly dark brown. Coxae, trochanters and basal ⅔ of femora pale yellow, apices of femora, tibiae and tarsi brown. Connexivum and tergite 8 pale yellow and brownish and anterolateral and posterolateral angles of connexivum. Sternites dark brown, sublateral band from prosternum to abdominal sternite 7 and later- otergites 8 pale yellow; anterolateral angles of sternites dark brown. Spiracles dark brown to black. Trichobothria dark brown (Figs. 13C, F). Head (Figs. 13A, D, 20C, E, G): Anteocular processes absent. Proportions of anten- nomeres: 1> 2 <3> 4 <5 (Figs. 13D, 18 Fiv, 20G). Buc- culae reaching base of head. Thorax: Pronotum with an- terior angles not produced; anterolateral margins straight, smooth; humeral angles not produced (Figs. 13A, 20I) and posterior margin rectilinear. Periostiolar depressions of ESES present; each ostiolar peritreme occupying about 1/3 of evaporatorium; gyrification of evaporatorium with high wrinkles; outer margin of each metapleural evapo- ratorium concave; anterolateral margin of each evapora- torium rounded (Fig. 18K). Metathoracic spiracle narrow (Fig. 18K, red arrow). Foveae smaller than the diameter of a compound eye (Fig. 20K, red arrow). Corium not surpassing apices of abdominal tergite 5 (Figs. 13A, 20K, blue arrow). Membrane with linear veins, some bifurcate basally. Hemelytra not surpassing apex of abdomen. Abdomen (Figs. 13B – C, 20K): Posterolateral angles of each connexivum not produced. Sublateral margins of abdominal sternites pale yellow. Female terminalia (Figs. 13F, 16A, C): Valvifers 8 smaller than lateroter- gites 9, and partially covering valvifers 9, and posterior margins sinuous, mesial margins juxtaposed. Lateroter- gites 8 lacking spiracles; posterior margins straight. Valvifers 9 depressed, leveled, relative to the position of segment X; posterior margins rectilinear, lateral margins with 1 + 1 processes. Laterotergites 9 spatulate, obtusely rounded apically, not surpassing tergite 8. Male. Unknown. Etymology. The specific epithet refers to the brownish gray colour of the dorsal surface. Type material: Holotype ♀, ‘ URUGUAY, Canelones, [Atlantida] | 28.ii.1932 ’ | ‘ MNHN-1344 ’(URMU) <illustrated specimen>. Distribution. Uruguay: Canelones (Fig. 17). Comments. Labium lacking part of labiomere 2 and re- maining labiomeres in single specimen. However, we be- lieve that the labium is long, at least exceeding the mid- dle of the abdominal sternite 4, due to the presence of a medial longitudinal groove reaching abdominal sternite 6 (Fig. 13D, F). This groove is observed only in species where the labium is considered long.
- Published as part of BARROs, Lurdiana D., Barão, Kim R. & Grazia, Jocélia, 2020, Systematics of the Mecocephala group (Hemiptera: Heteroptera: Pentatomidae) based on a phylogenetic perspective: Inclusion of Hypanthracos, description of three new genera, and redescription of Ogmocoris, pp. 321-360 in Arthropod Systematics & Phylogeny 78 (2) on pages 343-345, DOI: 10.26049/ASP78-2-2020-07, http://zenodo.org/record/4360215