MIRINAE

Zamani, M. & Hosseini, R., 2020, An illustrated taxonomic key to genera of Mirinae (Hemiptera: Heteroptera: Miridae) with three new records from Iran, Russian Entomological Journal 29 (1), pp. 20-32 : 24-29

K EY TO THE IRANIAN GENERA OF MIRINAE SUBFAMILY

1. Ant like habitus ( Fig. 18 ), collar completely obsolete, brachypterous (if macropterous, medially constricted), anterior segments of bulbous abdomen strongly constricted, lateral margins of abdomen abruptly upturned (tribe Herdoniini ) ............................................. Camponotidea

— Body not as above, collar distinct or posterior margin medially obsolete, macropterous, anterior segments of abdomen not constricted, lateral margins of abdomen not as above ......................................................................... 2

2. Body long and slender, head porrect, collar indistinct and medially not demarcated, antennal fossa stylate, lateral margins of pronotum carinate, 1 st segment of metatarsus longer than other segments (tribe Stenodemini ) ......... 3

— Body oval or elongate–oval, head hypognathous, collar distinct, antennal fossa not stylate, lateral margins of pronotum not carinate (except Pantilius ), 1 st segment of metatarsus shorter than others or subequal to 2 nd segment (except Stenotus ) (tribe Mirini ) ................................... 8

3. Vertex with a longitudinal median sulcus ( Fig. 21 ), eyes almost touching anterior margin of pronotum ............ 4

— Vertex with indistinct longitudinal median sulcus, eyes removed from pronotum ............. Leptopterna ( Fig. 19 )

4. Pronotum, scutellum and sometimes hemelytra distinctly and deeply punctate, vesica without spiculum............... ........................................................ Stenodema ( Fig. 21 )

— Pronotum,scutellum and hemelytra impunctate or smoothly rugose, vesica with spiculum ................................... 5

5. Body large (6–8.5 ♂; 8– 9 ♀ mm), 1 st antennal segment much longer than head width across eyes .................... 6

— Body small (<5.5 ♂; 5– 6 ♀ mm), 1 st antennal segment almost as long as or slightly longer than head width across eyes ................................................................................ 7

6. Clypeus visible from dorsal view, apex of frons smooth, metatibia with short adpressed setae, vesica with two spiculae ( Fig. 30 ), sclerotized rings ovate and relatively small, dorsal structure small or obsolete ( Figs 27–28 ) .... ................................................. Megaloceroea ( Fig. 22 )

— Clypeus not visible from dorsal view,apex of frons notched, metatibia with long erect setae, vesica with single spiculum ( Fig. 26 ); sclerotized rings almost subrectangular and large, dorsal structure large ( Fig. 25 ) ......... Notostria ( Fig. 20 )

7. Clypeus strongly projected, mandibular plates visible from dorsal view, apex of frons almost acute, eyes small, not globular; 1 st antennal segment proximally as thick as its apical part; vesica with single spiculum ( Fig. 32 ); sclerotized rings small, dorsal labiate plate small and not developed ( Fig. 29 ) ..................... Trigonotylus ( Fig. 24 )

— Clypeus blunt, mandibular plate not visible from dorsal view, apex of frons rounded, eyes large and globular; 1 st antennal segment proximally thicker than apically, vesica with 2 or 3 spiculae ( Fig. 33 ); sclerotized rings obsolete, dorsal labiate plate well developed and strongly spinose ( Fig. 31 ) ........................................ Teratocoris ( Fig. 23 )

8. Dorsal surface punctuate or weakly punctate .............. 9

— Dorsal surface impunctate .......................................... 19

9. Vertex carinate ............................................................ 10

— Vertex not carinate ...................................................... 16

10. Tibia with golden spines ............................................. 11 — Tibia with dark spines ................................................. 13

11. Dorsum covered with a mixture of whitish and blackish setae, sensory lobe of left paramere dentate, basally with a small projection and slender process ( Fig. 72 ), vesica without spiculum, sclerotized rings of posterior wall large ( Fig. 88 ) ...................................... Taylorilygus ( Fig. 34 )

— Dorsum covered only with whitish setae, sensory lobe of left paramere smooth, basally without any projection or process, vesica with spiculum, sclerotized rings of posterior wall small ............................................................. 12

12. Body robust and oval, buccula broad, labium reaching mesocoxa (rarely metacoxa), 2 nd antennal segment 2.7– 3.5x as long as first, equals to or shorter than head width, left paramere with almost straight apophysis, distinctly elongated ( Fig. 68 ); posterior wall with large, medially fused interramal lobes ( Fig. 87 ) ................... ........................................................ Agnocoris ( Fig. 35 ) — Body elongate–oval, buccula narrow, labium reaching or surpassing metacoxa, 2 nd antennal segment 4.0–4.3x as long as first, much longer than head width, left paramere with curved apophysis; posterior wall with small, separated interramal lobes ( Fig. 78 ) ............ Pinalitus ( Fig. 36 )

13. Vestiture composed of pale and black setae, vesica with sclerotized appendages; posterior wall without dorsal structure ...................................................................... 14

— Vestiture uniformly whitish, vesica without sclerotized appendages; posterior wall with dorsal structure ...... 15

14. Pronotum coarsely punctuate,cuneus reddish to dark brown, basally with a black marking at inner part, apophysis of left paramere apically expanded ( Fig. 59 ), vesica with two appendages ( Fig. 58 ); outer margin of sclerotized rings rounded ( Fig. 90 ) ...................... Charagochilus ( Fig. 37 )

— Pronotum finely punctuate, cuneus medially red (in species of the subgenus Poeciloscytus present in Iran), apophysis of left paramere apically not expanded ( Fig. 61 ), vesica with more than two appendages ( Fig. 60 ); outer margin of sclerotized rings acute ( Fig. 85 ) ..... Polymerus ( Fig. 38 )

15. Body small (3.5–5.2 mm) and elongate–oval, collar narrow (0.06 mm), sensory lobe of left paramere with small tubercles ( Fig. 69 ); lateral portion of dorsal structure narrow and reaching lateral edge of interramal sclerites, median process indistinct or absent ( Fig. 86 ) ........ Orthops ( Fig. 40 )

— Body large (5.0– 6.8 mm) and oval, collar broad (0.09– 0.11mm), sensory lobe of left paramere dentate ( Fig. 73 ); lateral portion of dorsal structure broad and not reaching lateral edge of interramal sclerites, median process distinct and small ( Fig. 91 ) ........................ Lygus ( Fig. 39 )

16. Eyes very large, vertex not visible in lateral view, spines of hind tibia thick and distinctly longer than width of tibia, interocular width/width of eye <1♂ ... Lygidolon ( Fig. 41 )

— Eyes smaller, vertex visible in lateral view, spines of hind tibia narrow and shorter or as long as width of tibia, interocular width/width of eye> 1♂ ......................... 17

17. Pronotum and hemelytra uniformly black, 2 nd antennal segment clavate, sensory lobe of left paramere edentate, spiculum of conjunctiva long and narrow ( Fig. 62 ) ...... .............................................................. Capsus ( Fig. 45 )

— Pronotum and hemelytra yellowish and black, 2 nd antennal segment cylindrical, sensory lobe of left paramere dentate, spiculum of vesica short and broad .................... 18

18. Tibia with pale spines, pygophore with large and prominent denticle on the left side ( Fig. 3 ), basal margin of right paramere dentate ( Fig. 9 ); dorsal structure of posterior wall broadly rounded, disk–shaped and spinulate ( Fig. 81 ), dorsal margin of second valvula apically with sparse teeth ( Fig. 94 ) ............................ Cyphodema ( Fig. 3–4 )

— Tibia with dark spines, pygophore without denticle, basal margin of right paramere edentate, dorsal structure of posterior wall not as above; dorsal margin of second valvula with a seri of dense teeth at apex ( Fig. 96 ) ....... ........................................................... Liocoris ( Fig. 41 )

19. Hemelytra greenish, often mottled with small reddish dots, posterior margin of vertex laterally carinate, vesica with short appendage ( Fig. 63 ); margins of sclerotized rings medially form connecting bar, interramal sclerites medially separated ( Fig. 77 ) .... Dichrooscytus ( Fig. 44 )

— Coloration of hemelytra variable, posterior margin of vertex not carinate, vesica without appendage; margins of sclerotized rings not united at middle, interramal sclerites partly or completely fused .......................................... 20

20. First segment of metatarsus distinctly longer than other segments, genital opening oriented posteriorly, apophysis of left paramere with flattened tip ( Fig. 15 ); ventral and dorsal margins of second valvula without teeth ( Fig. 95 ) ......................................................... Stenotus ( Figs 2–3 )

— First segment of metatarsus shorter than other segments, genital opening oriented dorsally, apophysis of left paramere not as above, ventral and dorsal margins of second valvula with a few teeth (except Brachycoleus in its dorsal margin) ........................................................ 21

21. Hemelytra with regular, dense, orange to red or irregular dark mottling, rarely uniformly pale, 1 st antennal segment longer than head width, antenna usually longer than (or as long as) body length, metafemora long, usually reaching beyond apex of abdomen ............... Phytocoris ( Fig. 43 )

— Hemelytra not as above, 1 st antennal segment as long as or shorter than head width, antenna shorter than body length, metafemora not reaching apex of abdomen ............... 22

22. Vestiture mixed, consisting of short adpressed black and whitish setae, or dorsum covered with long and semierect setae (in Brachycoleus ) ............................................... 23

— Vestiture homogenous, blackish or whitish, if mixed, body uniformly pale greenish to brownish (in Rauniella ) ... 27

23. Body small (3–4 mm), remarkably robust and oval, 1 st antennal segment tumid, 2 nd antennal segment clavate .. ......................................................... Eurystylus ( Fig. 42 )

— Body larger (> 5 mm), slender and elongated, 1 st antennal segment cylindrical, 2 nd antennal segment cylindrical or weakly incrassate distally (in Pantilius ) .................... 24

24. Body robust, frons markedly projecting over clypeus 25

— Body delicate, frons slightly convex .......................... 26

25. Body covered with short and adpressed setae, vertex with distinct median longitudinal sulcus, 2 nd antennal segment weakly incrassate distally, lateral margins of pronotum carinate ............................................................. Pantilius

— Body covered with long and semierect setae, vertex without median longitudinal sulcus, 2 nd antennal segment cylindrical, lateral margin of pronotum not carinate ..... .................................................... Brachycoleus ( Fig. 47)

26. Labium reaching middle of mesosternum or mesocoxa, interocular width/width of eye <1♂, cuneus stramineous to greenish, apophysis of right paramere acute at apex ( Fig. 70 ), process of spiculum short and reduced to basal tooth ( Fig. 71 ), sometimes inconspicuous .......... ....................................................... Reuterista ( Fig. 52)

— Labium reaching metacoxa (rarely mesocoxa), interocular width/width of eye> 1♂, cuneus tinged with dark red basally, apex blackish; apophysis of right paramere blunt at apex ( Fig. 67 ), process of spiculum long ( Fig. 66 ) ... .................................................. Closterotomus ( Fig. 49)

27. Vertex with longitudinal shallow or deep midline sulcus, femora with a regular seri of spines, apophysis of left paramere ending with acute process, dorsal structure of posterior wall small .................................................... 28

— Vertex without midline sulcus, femora apically with a few spines, apophysis of left paramere not as above (except Grypocoris fieberi ); dorsal structure of posterior wall large ............................................................................. 30

28. Vertex with deep sulcus, tibiae with pale spines, pygophore without denticle, vesica without spiculum; dorsal labiate plate with anteromedial projection ( Fig. 82 ) ..... ..................................................... Creontiades ( Fig. 48)

— Vertex with shallow sulcus, tibia with black spines, pygophore with denticle, vesica with spiculum; dorsal labiate plate without antero–medial projection ..................... 29

29. Vestiture adpressed, spiculum comb–shaped ( Fig. 65 ); dorsal labiate plate developed, sclerotized rings almost subcontiguous ( Fig. 76 ) ............. Adelphocoris ( Fig. 53)

— Vestiture semierect, spiculum sickle–shaped; dorsal labiate plate reduced, sclerotized rings distinctly separated ( Fig. 80 ) ...................................... Megacoelum ( Fig. 50)

30. Body covered with erect to semierect setae, eyes small, interocular width/width of eye>2 ..... Horistus ( Fig. 57)

— Body covered with adpressed setae, eyes large, interocular width/width of eye <2 ........................................... 31

31. Secondary gonopore like an inverted saddle ( Fig. 10 ); dorsal labiate plate with antero–medial projection (e.g. Figs 82, 89 ) ................................................................. 32

— Secondary gonopore variable; dorsal labiate plate without antero–medial projection ............................................ 33

32. Pubescence mixed of whitish and black, coloration uniformly greenish to brownish, apophysis of left paramere subapically with a large dentate projection ( Figs 11–12 ) ...................................................... Rauniella ( Figs 5–6 )

— Pubescence whitish, coloration black and yellow, apophysis of left paramere subapically without projection. ....................................................... Grypocoris ( Fig. 51)

33. Pubescence whitish, sensory lobe of left paramere with long acute process ( Fig. 74 ), vesica with long spiculum ( Fig. 75 ) ..................................................... Rhabdomiris

— Pubescence black, sensory lobe of left paramere without process, vesica without spiculum ............................... 34

34. Coloration black and yellow or red, antenna almost as long as body length, medial vein between the radial and cubital veins present on corium .............. Miris ( Fig. 55)

— Coloration yellowish to greenish, antenna shorter than body length, medial vein between the radial and cubital veins absent on corium ............................................... 35

35. Labium reaching mesocoxa, 1 st antennal segment 2.5–3x longer than interocular distance, lateral margin of left paramere with a projection ( Fig. 64 ); dorsal labiate plate membranous, sclerotized rings oval ( Fig. 79 ), first valvula broadly triangular, apically acute ( Fig. 92 ) ................ ............................................... Mermitelocerus ( Fig. 56)

— Labium reaching metacoxa, 1 st antennal segment 1.4– 1.6x longer than interocular distance, lateral margin of left paramere without projection; dorsal labiate plate moderately sclerotized, sclerotized rings elongate–oval ( Fig. 84 ), first valvula blade shaped ( Fig. 93 ) ............. .......................................................... Calocoris ( Fig. 54)

Figures

Figs 18–24. Dorsal habitus photographs of Stenodemini tribe (male): 18 — Camponotidea saundersi (Puton, 1874); 19 — Leptopterna putshkovi Vinokurov, 1982; 20 — Notostira poppiusi Reuter, 1911; 21 — Stenodema turanica Reuter, 1904; 22 — Megaloceroea recticornis (Geoffroy, 1785); 23 — Teratocoris antennatus (Boheman, 1852); 24 — Trigonotylus caelestialium (Kirkaldy, 1902). Scale bar: 1 mm (18– 23 same scale). Рис. 18–24. Габитус самцов трибы Stenodemini, сверху: 18 — Camponotidea saundersi (Puton, 1874); 19 — Leptopterna putshkovi Vinokurov, 1982; 20 — Notostira poppiusi Reuter, 1911; 21 — Stenodema turanica Reuter, 1904; 22 — Megaloceroea recticornis (Geoffroy, 1785); 23 — Teratocoris antennatus (Boheman, 1852); 24 — Trigonotylus caelestialium (Kirkaldy, 1902). МасШтаб: 1 мм. (18– 23 в одном масШтабе)

Figs 25–33. Male and female genitalia of Stenodemini tribe: 25–26 — Notostira poppiusi Reuter, 1911; 27–28, 30 — Megaloceroea recticornis (Geoffroy, 1785); 29,32 — Trigonotylus caelestialium (Kirkaldy, 1902); 31,33 — Teratocoris antennatus (Boheman, 1852); 25, 27–29, 31 — female genitalia; 26, 30, 32, 33 — vesica; dlp — dorsal labiate plate; ds — dorsal structure; irl — interramal lobes; irs — interramal sclerites; mp — median process; sr — sclerotized ring; vlp — ventral labiate plates. Scale bar: 0.1 mm (25–28, 30; 29, 31–33 same scale); 25–26, 31, 33 — after Schwartz, 2008. Рис. 25–33. Гениталии самцов и самок трибы Stenodemini: 25–26 — Notostira poppiusi Reuter, 1911; 27–28, 30 — Megaloceroea recticornis (Geoffroy, 1785); 29,32 — Trigonotylus caelestialium (Kirkaldy, 1902); 31,33 — Teratocoris antennatus (Boheman, 1852); 25, 27–29, 31 — гениталии самок; 26, 30, 32, 33 — веЗика; dlp — дорсальные губные пластинки; ds — дорсальнаЯ структура; irl — интеррамальные лопасти; irs — интеррамальный склерит; mp — медиальный отросток; sr — склеротиЗованное кольцо; vlp — вентральные губные пластинки. МасШтаб: 0.1 мм (25–28, 30; 29, 31–33 в одном масШтабе); 25–26, 31, 33 — по Schwartz, 2008.

Figs 58–75. Male genitalia of Mirini tribe: 58–59 — Charagochilus gyllenhali (Fallén, 1807); 60–61 — Polymerus vulneratus (Panzer, 1806); 62 — Capsus wagneri Remane, 1950; 63 — Dichrooscytus persicus Josifov, 1974; 64 — Mermitelocerus schmidtii (Fieber, 1836); 65 — Adelphocoris vandalicus (Rossi, 1790); 66–67 — Closterotomus costae (Reuter, 1888); 68 — Agnocoris reclairei (Wagner, 1949); 69 — Orthops kalmii (Linnaeus, 1758); 70–71 — Reuterista villiersi (Wagner, 1968); 72 — Taylorilygus apicalis (Fieber, 1861); 73 — Lygus rugulipennis Poppius, 1911; 74–75 — Rhabdomiris striatellus (Fabricius, 1794); 58, 60, 62, 63, 65, 66, 71, 75 — vesica; 59, 61, 64, 68, 69, 72–74 — left paramere; 67, 70 — right paramere. (58–61, 63, 64, 66, 67; 62, 65, 68; 70, 71; 72, 74, 75; 73, 69 — same scale). Scale bar: 0.1 mm. (62 and 70, 71, 74, 75 — after Kim et al., 2015 and Rosenzweig, 1997, respectively). Рис. 58–75. Гениталии самцов трибы Mirini: 558–59 — Charagochilus gyllenhali (Fallén, 1807); 60–61 — Polymerus vulneratus (Panzer, 1806); 62 — Capsus wagneri Remane, 1950; 63 — Dichrooscytus persicus Josifov, 1974; 64 — Mermitelocerus schmidtii (Fieber, 1836); 65 — Adelphocoris vandalicus (Rossi, 1790); 66–67 — Closterotomus costae (Reuter, 1888); 68 — Agnocoris reclairei (Wagner, 1949); 69 — Orthops kalmii (Linnaeus, 1758); 70–71 — Reuterista villiersi (Wagner, 1968); 72 — Taylorilygus apicalis (Fieber, 1861); 73 — Lygus rugulipennis Poppius, 1911; 74–75 — Rhabdomiris striatellus (Fabricius, 1794); 58, 60, 62, 63, 65, 66, 71, 75 — веЗика; 59, 61, 64, 68, 69, 72–74 — левый парамер; 67, 70 — правый парамер. (58–61, 63, 64, 66, 67; 62, 65, 68; 70, 71; 72, 74, 75; 73, 69 — в одном масШтабе). МасШтаб: 0.1 мм. (62 and 70, 71, 74, 75 — по Kim et al., 2015 и Rosenzweig, 1997, соответственно).

Figs 76–91. Female genitalia of Mirini tribe: Sclerotized ring and posterior wall of bursa copulatrix with their associated structures: 76 — Adelphocoris vandalicus (Rossi, 1790); 77 — Dichrooscytus persicus Josifov, 1974; 78 — Pinalitus cervinus (Herrich-Schaeffer, 1841); 79 — Mermitelocerus schmidtii (Fieber, 1836); 80 — Megacoelum sp.; 81 — Cyphodema humbaba Linnavuori, 1984; 82 — Creontiades pallidus (Rambur, 1839); 83 — Stenotus binotatus (Fabricius, 1794); 84 — Calocoris roseomaculatus roseomaculatus (De Geer, 1773); 85 — Polymerus vulneratus (Panzer, 1806); 86 — Orthops kalmii (Linnaeus, 1758); 87 — Agnocoris reclairei (Wagner, 1949); 88 — Taylorilygus apicalis (Fieber, 1861); 89 — Rauniella ishtar (Linnavuori, 1984); 90 — Charagochilus gyllenhali (Fallén, 1807);

Figs 34–46. Dorsal habitus photographs of Mirini tribe (male): 34 — Taylorilygus apicalis (Fieber, 1861); 35 — Agnocoris reclairei (Wagner, 1949); 36 — Pinalitus cervinus (Herrich-Schaeffer, 1841); 37 — Charagochilus gyllenhali (Fallén, 1807); 38 — Polymerus cognatus (Fieber, 1858); 39 — Lygus pratensis (Linnaeus, 1758); 40 — Orthops kalmii (Linnaeus, 1758); 41 — Lygidolon eurystylioides (Wagner, 1957); 42 — Eurystylus bellevoyei (Reuter, 1879); 43 — Phytocoris scitulus Reuter, 1908; 44 — Dichrooscytus persicus Josifov, 1974; 45 — Capsus ater (Linnaeus, 1758); 46 — Liocoris tripustulatus (Fabricius, 1781). Scale bar: 1 mm. Рис. 34–46. Габитус самцов трибы Mirini: 34 — Taylorilygus apicalis (Fieber, 1861); 35 — Agnocoris reclairei (Wagner, 1949); 36 — Pinalitus cervinus (Herrich-Schaeffer, 1841); 37 — Charagochilus gyllenhali (Fallйn, 1807); 38 — Polymerus cognatus (Fieber, 1858); 39 — Lygus pratensis (Linnaeus, 1758); 40 — Orthops kalmii (Linnaeus, 1758); 41 — Lygidolon eurystylioides (Wagner, 1957); 42 — Eurystylus bellevoyei (Reuter, 1879); 43 — Phytocoris scitulus Reuter, 1908; 44 — Dichrooscytus persicus Josifov, 1974; 45 — Capsus ater (Linnaeus, 1758); 46 — Liocoris tripustulatus (Fabricius, 1781). МасШтаб: 1 мм.

Figs 1–6. Habitus photographs of new record specimens (male): 1–2 — Stenotus binotatus; 3–4 — Cyphodema humbaba; 5–6 — Rauniella ishtar; 1, 4, 5 — dorsal view; 2, 3, 6 — lateral view. Scale bar: 1 mm. Рис. 1–6. Фотографии габитуса видов, впервые найденных в Иране (самцы): 1–2 — Stenotus binotatus; 3–4 — Cyphodema humbaba; 5–6 — Rauniella ishtar; 1, 4, 5 — сверху; 2, 3, 6 — сбоку. МасШтаб: 1 мм.

Figs 7–17. Male genitalia: 7–9 — Cyphodema humbaba; 10–13 — Rauniella ishtar; 14–17 — Stenotus binotatus; 7, 10, 14 — vesica; 8, 11, 12, 15 — left paramere; 9, 13, 16, 17 — right paramere; apo — apophysis; ml — membranous lobe; sg — secondary gonopore; sp — spiculum. Scale bar: 0.1 mm (7–13 and 14–17 same scale). Рис. 7–17. Гениталии самцов: 7–9 — Cyphodema humbaba; 10–13 — Rauniella ishtar; 14–17 — Stenotus binotatus; 7, 10, 14 — веЗика; 8, 11, 12, 15 — леваЯ парамера; 9, 13, 16, 17 — праваЯ парамера; apo — апофиЗ; ml — мембраннаЯ лопасть; sg — вторичный гонопор; sp — спикулЮм. МасШтаб: 0.1 мм (7–13 и 14–17 в одном масШтабе).

Figs 92–96. First and second valvula of ovipositor of female genitalia: 92 — Mermitelocerus schmidtii (Fieber, 1836); 93 — Calocoris roseomaculatus roseomaculatus (De Geer, 1773); 94 — Cyphodema humbaba Linnavuori, 1984; 95 — Stenotus binotatus (Fabricius, 1794); 96 — Liocoris tripustulatus (Fabricius, 1781); 92, 93 — first valvula; 94–96 — second valvula. Рис. 92–96. Наружные и внутренние створки Яйцеклада самки: 92 — Mermitelocerus schmidtii (Fieber, 1836); 93 — Calocoris roseomaculatus roseomaculatus (De Geer, 1773); 94 — Cyphodema humbaba Linnavuori, 1984; 95 — Stenotus binotatus (Fabricius, 1794); 96 — Liocoris tripustulatus (Fabricius, 1781); 92, 93 — наружные створки; 94–96 — внутренние створки.