Scolopini, Carayon, 1954

Carpintero, Diego Leonardo & Dellapé, Pablo Matías, 2012, Neotropical Scolopini (Hemiptera: Heteroptera: Anthocoridae): new taxa, diagnostic characters and a key to the genera of the tribe, Acta Entomologica Musei Nationalis Pragae 52 (1), pp. 49-66 : 51-52

Key to Neotropical genera of Scolopini

1 Ocelli placed between eyes, before imaginary line that passes through posterior margin of eyes ( Fig. 10 ). Metasternum with median longitudinal carina. Ectospermalege not shaped as copulatory tubes. Subtribe Calliodina . ........................................................ 2

– Ocelli placed behind imaginary line that passes through posterior margin of eyes ( Fig. 9 ). Metasternum without median longitudinal carina. Ectospermalege shaped as copulatory tubes. Subtribe Scolopina . .......................................................................................... 10

2 Ant-mimetic species. Lateral sides of pronotum strongly sinuated ( Figs. 3, 6 , 12 ). Abdomen constricted at base. ................................................................................................ 3

– Not ant-mimetic species. Lateral sides of pronotum straight or only slightly sinuated ( Figs. 1, 2, 4, 5, 7, 8, 9 ). Abdomen not constricted at base. .......................................... 4

3 Head before eyes curved downward. Legs long and slender. Dorsal half of metapleura smooth ( Fig. 23 ). Tibiae unarmed. Fossula spongiosa absent. Brazil, Nicaragua. .......... ............................................................................................. Opisthypselus Reuter, 1909

– Head before eyes flat, straight ( Fig. 10 ). Legs short, femora enlarged. Dorsal half of metapleura sculptured. Fore tibiae in males with row of teeth on inner margin ( Fig. 11 ). Fossula spongiosa present. Ecuador. ............................. Guayascoris gen. nov. ( Fig. 3 )

4 Lateral margins of pronotum and hemelytra explanate. Female with ovipositor reduced..........................................................................................................................................5

– Lateral margins of pronotum and hemelytra not explanate. Female with well developed ovipositor. ...................................................................................................................... 6

5 Pronotum and head with a series of wide and whitish setae ( Fig. 19 ). Ostiolar peritreme curved, apex slender, acute ( Fig. 20 ); metapleura wholly sculptured ( Fig. 21 ). South America. ........................................................... Lepidonannella Poppius, 1913 ( Fig. 4 )

– Pronotum and head without a series of wide and whitish setae. Ostiolar peritreme slightly curved, apically rounded, dorsal margin of metapleura smooth ( Fig. 22 ). North and Central America. ........................................................... Nidicola Harris & Drake, 1941 ( Fig. 5 )

6 Hemelytra smooth ( Fig. 7 ). Male fore femora armed with a series of long spines ( Fig. 24 ). ..................................................................................... Zopherocoris Reuter, 1871

– Hemelytra punctured. Male fore femora unarmed. ....................................................... 7

7 Eyes large, occupying 3/4 of head length. Hemelytra with only a row of punctures over endo-exocorial suture and claval-endocorial suture. ........................................................ .......................................................................... Eulasiocolpus Champion, 1900 ( Fig. 2 )

– Eyes smaller, occupying no more than 1/2 of head length. Hemelytra with many sparse punctures on clavus, corium and cuneus. ...................................................................... 8

8 Ostiolar peritreme strongly curved in apical quarter. Rostrum slightly surpassing fore coxae. All femora incrassate. ...................................... Lasiocolpoides Champion, 1900

– Ostiolar peritreme curved in all its length ( Fig. 16 ). Rostrum reaching mid coxae. All femora slender ( Fig. 1 ). ............................................................... Calliodis Reuter, 1871

9 All femora armed with spines on inner margin ( Fig. 28 ). Ostiolar peritreme ( Fig. 29, 30 ) very long, folded (as in Xylocoris Dufour, 1831 ) ( Fig. 9 ). .............................................. ............................................................................................ Scolopocoris Carayon, 1972

– Femora unarmed, or only fore femora armed with spines. Ostiolar peritreme shorter, more or less curved. .............................................................................................................. 10

10 Fore femora spinose. Rostrum reaching middle of mesosternum or reaching mid coxae. ..................................................................................................................................... 11

– Fore femora unarmed. Rostrum never reaching fore coxae. ....................................... 12

11 Ostiolar peritreme long and strongly curved; punctures on dorsum deep, evident. ........ ....................................................................................... Lasiochiloides Champion, 1900

– Ostiolar peritreme short and gently curved; finelly punctured on dorsum, appearing to be smooth. .................................................................................... Ameroscolopa gen. nov.

12 Body slender, subparallel-sided. Rostrum stout, nearly reaching the fore coxae. Membrane longer than corium ( Fig. 8 ). .................................................. Scolopella Carayon, 1954

– Body thicker, sinuate-sided. Rostrum slender, not surpassing the base of head. Membrane shorter than corium. .................................................................. Scolopa Carayon, 1954

Figures

Figs. 10–15. Guayascoris foreroi gen.& sp. nov.10–14 – holotype, male: 10 – head; 11 – fore tibia; 12 – hemelytron; 13 – abdominal uradenia; 14a – pygophore; 14b – detail of left paramere. 15 – paratype, female, abdomen.

Figs. 1–9. 1 – Calliodis pallescens (Reuter, 1884); 2 – Eulasiocolpus megalops Champion, 1900; 3 – Guayascoris foreroi gen. & sp. nov.; 4 – Lepidonannella opaca (Poppius, 1909); 5 – Nidicola mitra Drake & Herring, 1964; 6 – Opisthypselus punctaticollis Reuter, 1908; 7 – Zopherocoris armatus (Stål, 1860); 8 – Scolopella brasiliensis Carayon, 1954; 9 – Scolopocoris gracilicornis (Poppius, 1909). Scale bars = 1 mm.

Figs. 22–27.22 – Nidicola mitra Drake & Herring, 1964, ostiolar peritreme; 23 – Opisthypselus punctaticollis Reuter, 1909, ostiolar peritreme; 24, 25 – Zopherocoris armatus Reuter, 1871; 24 – fore femora; 25 – ostiolar peritreme; 26, 27 – Scolopella brasiliensis Carayon, 1954; 26 – ostiolar peritreme; 27 – detail of evaporatorium.

Figs. 16–21. 16 – Calliodis pallescens Reuter, 1884, ostiolar peritreme. 17, 18 – Eulasiocolpus megalops Champion, 1900: 17 – ostiolar peritreme; 18 – detail of evaporatorium. 19–21 – Lepidonannella opaca (Poppius, 1909): 19 – scales on pronotum; 20 – ostiolar peritreme, 21 – detail of evaporatorium.

Figs. 28–30. Scolopocoris gracilicornis (Poppius, 1909). 28 – fore femora; 29 – ostiolar peritreme; 30 – detail of evaporatorium.