Adelphocoris
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publication ID |
https://doi.org/ 10.11646/zootaxa.4126.2.1 |
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publication LSID |
lsid:zoobank.org:pub:76ECAACD-405E-48E3-B7DD-1205C2A9C61A |
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DOI |
https://doi.org/10.5281/zenodo.5470110 |
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persistent identifier |
https://treatment.plazi.org/id/03A787D7-9421-FFCC-FF6A-F10FFA2556C3 |
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treatment provided by |
Plazi |
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scientific name |
Adelphocoris |
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Key to the genera included in the Adelphocoris View in CoL View at ENA - Creontiades - Megacoelum complex
[The character states additional to those in other part of the couplet are given within brackets].
1. Head slightly prognathous, almost horizontal, elongate, anteriorly pointed, frons partially covering tylus in dorsal view. [Body small, about 5 mm long and uniformly chocolate brown to black ( Figure 22 View FIGURES 15 – 22 ). Labium reaching apex of abdomen. Scutellum slightly swollen. Secondary gonopore very wide, occupying most of phallus width; Galapagos Islands]..... Galapagomiris View in CoL .
- Head regularly slopping anteriorly, with or without notch between frons and tylus, frequently distinctly rounded, never slightly prognathous, almost horizontal.......................................................................... 2.
2. Scutellum swollen to ampulated......................................................................... 3.
- Scutellum flat or almost flat............................................................................ 5.
3. Pronotal callosities with a pair of tubercles. [Body sub-oblong, small, about 4.5 mm, slightly convex, uniformly stramineous ( Figure 28 View FIGURES 28 – 35 ); Afrotropical]........................................................................ Gollneria View in CoL .
- Pronotal callosities normal, without a pair of tubercles........................................................4.
4. Posterior margin of vertex slightly carinate. Labium reaching at least mesocoxae. Pronotum with dense recumbent pilosity at least in males. Tibial spines brown to red brown. Apical area of clavus devoid of a tuft of black, erect setae. Body length about 6 mm, relatively uniform, stramineous to yellow brown ( Figure 15 View FIGURES 15 – 22 ), frequently with callous dorsal spots on pronotum and hemelytra; Australia.................................................................... .. Chimsunchartella View in CoL .
- Posterior margin of vertex not carinate. Labium short, reaching fore coxae. Pronotum with sparse, short, recumbent setae. Tibial spines yellow. Apical area of clavus with a tuft of black, erect setae. Body length about 5 mm, brown to black ( Figure 7 View FIGURES 1 – 8 ), devoid of callous spots; Argentina............................................................ Carvalhocapsus View in CoL .
5. Metafemora elongate, distally tapered and basally sulcate ( Phytocoris View in CoL -like). Pronotal and hemelytral pilosity including silvery and dark brown to black setae. [Body length 4.5–6.2 mm ( Figures 4-6 View FIGURES 1 – 8 ); Australian, Oriental and Pacific Regions]............................................................................................... .. Adelphocorisella View in CoL .
- Metafemora not Phytocoris View in CoL -like, proportionally shorter, not especially tapered distally or non-sulcate. Pronotal and hemelytral pilosity including only one color of setae...................................................................6.
6. Dorsal surface of pronotal disk shallowly but relatively widely punctate, rugulose. Pronotum distinctly pilose, particularly on lateral margin and collar. First and second antennal segments slightly club-like, first elongate, straight, second with elongate setae. Body length 7–9.5 mm, width 2–3.5 mm, stramineous, yellow or yellow-brown ( Figure 68 View FIGURES 68 – 73 ); Gabon, Tanzania................................................................................................... Tricholygus .
- Not with above combination of characters..................................................................7.
7. Tibial spines dark, red brown to black. Secondary gonopore always complete though reduced (thin in Adelphocoris View in CoL ).......8.
- Tibial spines yellow to light brown. Secondary gonopore sometimes incomplete.................................. 13.
8. Endophallus devoid of sclerite. Body elongate, parallel sided, total length 6.5–10.5 mm. Hemelytra shining..............9.
- Endophallus including at least one kind of sclerite. Body size variable. Hemelytra dull or shining.................... 10.
9. Hemelytra almost glabrous, smooth, translucent, stramineous, cuneus red. Labium reaching posterior coxae. Posterior margin of eyes contiguous with pronotal collar. Body length 5.5–6.6 mm ( Figure 34 View FIGURES 28 – 35 ); Far East ( Japan, Russia)..... Neomegacoelum View in CoL .
- Hemelytra pilose, setae short, recumbent or semi-erect. Surface of hemelytra rugose and punctate, opaque, shining red brown, dark brown or black. Punctation of hemelytra dense, shallow and narrow. Labium reaching beyond posterior coxae. Eyes removed from pronotal collar. Body length 7–10.5 mm ( Figures 36-50 View FIGURES 36 – 43 View FIGURES 44 – 50 ); Oriental Region................... Orientomiris View in CoL .
10. Endophallus with a sclerite associated with apical (posterior) part of the secondary gonopore (gonoporal sclerite). Frons protruding, forming a distinct notch above tylus. Hemelytra opaque or translucent, Body uniformly stramineous to greenish (Figure 51), frequently with orange or red stripes or spots. [Total length 6–8.5 mm; Afrotropical Region].... Pleurochilophorus View in CoL .
- Endophallus devoid of sclerite immediately associated with apical (posterior) part of the secondary gonopore, with a true spiculum or a spiculum and a comb. Frons gently curved, rounded, not separated from tylus by a notch. Hemelytra generally opaque. Body frequently not uniformly colored.............................................................11.
11. Endophallus including a subapical spiculum and a comb. [Secondary gonopore complete but thin. Body oblong to oval, total length 6–10 mm, green, brown or black bugs ( Figure 3 View FIGURES 1 – 8 ). Sulcus of vertex very thin, i.e. narrow and shallow, sometimes absent; Holopalearctic genus, with two species (one introduced) in the New World]............................. Adelphocoris View in CoL .
- Endophallus including only a subapical spiculum, devoid of comb............................................. 12.
12. Pilosity of metafemora erect, shorter than width of metafemora. Dorsal pilosity reduced, short, recumbent, sometimes hemelytra almost glabrous. Body length 5–8 mm ( Figures 29–33 View FIGURES 28 – 35 ); Palearctic, with numerous species in the Mediterranean areas............................................................................................ .. Megacoelum .
- Pilosity of metafemora erect, distinctly longer than width of metafemora. Dorsal pilosity relatively long, erect, sparse, black or dark brown, particularly obvious on scutellum and hemelytra. Body length 6–8 mm ( Figures 56–58 View FIGURES 51 – 58 ); Europe, North Africa, Iraq, Russia.......................................................................... Pseudomegacoelum .
13. Body sub-oblong, outer sides (connexivium) of hemelytra slightly convex. Stiff setae of pronotal anterior corners present at
least in males (Waucori s). [First antennal segment relatively elongate, club-like apically. Primary apophysis of right paramere always with two pointed lobes. Middle-sized bugs, total length 6–8 mm]........................................14. - Body elongate, outer sides (connexivium) of hemelytra almost straight. Stiff setae of pronotal anterior corners absent....16.
14. Hemelytra always dull. Pronotum frequently orange, with a wide longitudinal black stripe medially ( Figures 52–54 View FIGURES 51 – 58 ). Endophallus devoid of phallic support, the secondary gonopore incomplete but with a pilose plate. No sclerite in or above dorsal wall; Australian and Oriental Regions....................................................... Poppiocapsidea View in CoL .
- Hemelytra frequently reflective. Pronotal pattern and color different. Endophallus including a phallic support or a wrapped subapical sclerite, the secondary gonopore complete, devoid of pilose plate. Dorsal wall including or partially covering (and hiding) a pairs of sclerites..............................................................................15.
15. Phallic support elongate, sickle-shaped. Parieto-vaginal rings wide, thin, devoid of acute prolongation on their postero-outer margin. Hemelytral punctation simple, shallow and relatively wide. Body uniformly dull, orange brown ( Figure 55 View FIGURES 51 – 58 ); Australia..................................................................................... Poppiomegacoelum .
- Phallic support if present convoluted, sometimes replaced by a wrapped subapical sclerite. Parieto-vaginal rings wide, thick, with an acute prolongation on their postero-outer margin. Hemelytral punctation double: one very reduced but dense, the second shallow but wider. Body usually not uniformly orange brown, reflective, yellow, orange and black ( Figures 69–73 View FIGURES 68 – 73 ); Iran Jaya, Papua New Guinea, Solomon Islands.......................................................... Waucoris View in CoL .
16. Tertiary lobe of left paramere absent. [Body brown to dark brown, length 5.5–7 mm ( Figures 1–2 View FIGURES 1 – 8 ); Madagascar]................................................................................................... Adelphocoridea View in CoL .
- Tertiary lobe of left paramere present.....................................................................17.
17. Anterior projection of parieto-vaginal rings present. Dorsal process of posterior wall present. Endophallus devoid of sclerite. Uniformly, stramineous, yellow, green, or yellow brown bugs sometimes with fine red or brown stripes ( Figures 16–21 View FIGURES 15 – 22 )............................................................................................... Creontiades View in CoL .
- Anterior projection of parieto-vaginal rings absent. Dorsal process of posterior wall absent. Endophallus always with a gonoporal sclerite, associated to the apical (posterior) part of the secondary gonopore................................... 18.
18. Endophallus including a true, subapical, spiculum, always devoid of phallic support arising basally to the secondary gonopore. Median process of posterior wall absent. Body length 8–11 mm. Hemelytra translucent, red brown, whitish or stramineous ( Figure 8 View FIGURES 1 – 8 ); Oriental Region.................................................................. Cheilocapsidea View in CoL .
- Endophallus devoid of true spiculum, sometimes including a phallic support arising basally to the secondary gonopore. Median process of posterior wall present. Body length 7–8.4 mm. Hemelytra yellow and red ( Fig. 35 View FIGURES 28 – 35 ); Australia, Papua New Guinea...................................................................................... Neopeplus View in CoL .
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