©Staatl. Mus. f. Naturkde Karlsruhe & Naturwiss. Ver. Karlsruhe e.V.; download unter www.zobodat.at

Andrias 20 (2014): 147-152, 8 Abb.; Karlsruhe, 1.12.2014 147

Orthotylus (Pachylops) neoriegeri sp. n., a new plant bug from Morocco (, , )*

Ar m a n d Ma t o c q & Do m i n i q u e Pl u o t -Si g w a l t

Abstract Ke r z h n e r & Jo s i f o v (1999) and Au k e m a et al. (Pachylops) neoriegeri sp. n. is described (2013), 146 species and subspecies are recog- from Morocco (South Anti-Atlas). Colour dorsal habitus nized within the Palaearctic region and these are and illustrations of male and female genitalia are provi- grouped in ten subgenera (Orthotylus Fi e b e r , ded. The specimens were collected by beating Cytisus balansae (Fabaceae). Based on the pilosity, the male 1858, Pachylops Fi e b e r , 1858, Litocoris Fi e b e r , genitalia and the host-plant association, the new spe- 1860, Melanotrichus Re u t e r , 1875; Labopidea cies is placed in the subgenus Pachylops Fi e b e r , 1858. Uh l e r , 1877, Pinocapsus So u t h w o o d , 1953, It differs from the other species mainly by the brown Parapachylops Eh a n n o & Ma t o c q , 1990, Pseu­ coloration and the phallic sclerotized appendages of dorthotylus Po pp i u s , 1914, Kiiorthotylus Yas u - the male. Host-plant association within the subgenus n a g a , 1993, Yamatorthotylus Yas u n a g a , 1999). A Pachylops is briefly discussed. key for the seven subgenera which occur in the Western Palaearctic was provided by Eh a n n o & Kurzfassung Ma t o c q (1990). Orthotylus (Pachylops) neoriegeri sp. n., eine neue Miride aus Marokko (Heteroptera, Miridae, In this paper we describe a new species of Or­ Orthotylinae) thotylus from Morocco belonging to the subgenus Orthotylus (Pachylops) neoriegeri sp. n. aus Marokko Pachylops. The intricate nomenclatural problems wird beschrieben. Dargestellt werden der farbige dor- posed by this taxon and its type species have sale Habitus und der Bau der männlichen und weibli- been clarified by Ca r ap e z z a (1997), Ca r ap e z z a & chen Genitalien. Die Tiere wurden durch Abklopfen von Ke r z h n e r (1998), ICZN 2000. As a consequence, Cytisus balansae (Fabaceae) erbeutet. Aufgrund der the subgenus Neopachylops Wa g n e r , 1956, was Behaarung, der männlichen Genitalien und der Wirts- synonymized with Pachylops and thus the subge- pflanzenbindung wird die neue Art in die Untergattung nus now comprises 18 species and subspecies Pachylops Fi e b e r , 1858, gestellt. Sie unterscheidet sich von anderen Arten vor allem durch die braune Färbung – many of them having been previously placed und die sklerotisierten Anhänge des Phallus. Die Wirts- in the subgenus Neopachylops (Ke r z h n e r & Jo s i - pflanzenbindung innerhalb der UntergattungPachylops f o v 1999). These species include two recently wird kurz diskutiert. described species, O. (Pachylops) jordii Pa g o - l a -Ca r t e & Zb a l e g u i , 2006, from Spain, and O. Autors (Pachylops) smaragdinus Liu, 2009, from China Ar m a n d Ma t o c q & Do m i n i q u e Pl u o t -Si g w a l t , Muséum (Au k e m a et al. 2013). Within the subgenus Pachy­ national d’Histoire naturelle, Département Systéma- lops, three species and one subspecies are cur- tique & Evolution (Entomologie), UMR 7205 MNHN – rently known from Morocco: virescens (Do u g l as & CNRS, 45 rue Buffon, F-75005 Paris, France; E-Mail: [email protected] & [email protected] Sc o t t , 1865), membraneus Li n d b e r g , 1940, ade­ nocarpi maroccanus, Wa g n e r , 1958, and maurus (Wa g n e r , 1969) (Ke r z h n e r & Jo s i f o v 1999). Introduction The plant bug genus Orthotylus Fi e b e r , 1858, includes more than 400 species and has a Orthotylus (Pachylops) neoriegeri sp. n. worldwide distribution (see Sc h u h 1995 and the Holotype: ), Morocco, Tizin-n-Test, Route 203, online version of the world mirid catalog: htpp:// Borne 129 [N 30° 52 874, W 8° 20 901], Altitude research.amnh.org/pbi/catalog/). According to 2098 m, 10.05.2009, A. Ma t o c q & Ph. Ma g n i e n leg. (Museum national d’Histoire naturelle, Paris). Paratypes: 1 ), 1 (, same data as holotype (Mu- seum national d’Histoire naturelle); 7 )), 14 ((, * Dr. Ch r i s t i a n Ri e g e r , honouring his 70th birthday. same data as holotype (coll. Ma t o c q , Paris); 6 )), ©Staatl. Mus. f. Naturkde Karlsruhe & Naturwiss. Ver. Karlsruhe e.V.; download unter www.zobodat.at

148 Andrias 20 (2014)

Figure 1. Color dorsal habitus of male O. (Pachylops) Figure 2. Colour dorsal habitus of female O. (Pachy­ neoriegeri sp. n. lops) neoriegeri sp. n.

6 ((, same data as holotype (coll. Ma g n i e n , Par- setae. Head: vertex slightly carinate, synthlipsis is); 1 ), 1 (, same data as holotype (coll. Ri e g e r , twice the width of eye; antennal segments (in Nürtingen); 1 ), 1 (, same data as holotype (col. mm): I (0.30), II (1.05), III (0.7), IV (0.4); rostrum St r e i t o , Montpellier). reaching the intermediate coxae. Genitalia: Parameres spoon-shaped; left para- Description (male) mere (fig. 3); right paramere (fig. 4) strongly ser- Body slightly elongate (fig. 1). Total length 5.2 rated; phallus with two unbranched sclerotized mm. Head, antenna, pronotum, scutellum, and appendages (fig. 5): – a stout and long process, ventral side black; eyes reddish brown; hemelytra apically strongly denticulate, its apex hook-like, yellowish brown, slightly translucent, membrane its basal third bearing a short finger-like spicule; and veins infuscate; legs orange yellow except – a thin and shorter process, curved at right an- base of tibiae slightly darkened, tibial spines gle and smooth. brown and tarsi darkened. Surface entirely shiny. Vestiture: dorsum bearing two types of pubes- Description (female) cence, numerous recumbent pale scale-like se- Body ovate (fig. 2). Total length 4.2 mm. tae (easily rubbed off) mixed with sparse, dark Similar to male in coloration, vestiture and struc- and suberect setae; venter with long and pale ture, except: synthlipsis three times the width ©Staatl. Mus. f. Naturkde Karlsruhe & Naturwiss. Ver. Karlsruhe e.V.; download unter www.zobodat.at

Ma t o c q & Pl u o t -Si g w a l t : A new plant bug from Morocco 149 of eye; antennal segments (in mm): I (0.30), II (1.05), III (0,6), IV (0.5). Genitalia: Subgenital plate triangular, longer than wide. Bursa copulatrix (fig. 6) as wide as long. Sclerotized ring very thin, elongate, weakly scle- rotized with fine intermittent serrations, poste- rior part almost indistinct. Paired oviducts widely separated. Vermiform gland opening anterior to oviducts, between a pair of membranous dorsal pouches. Seminal sac of moderate size. Poste- rior wall: dorsal lobes of interramal sclerites (fig. 8) prominent with a blunt curved projection; apex of the projection strongly denticulate, other parts of the lobe only with sparse microspiculi. Basis of gonapophyses VIII and vulva (fig. 7) with various cuticular protuberances, unpigmented, convo- luted and intertwined.

Distribution: So far only known from Morocco (South Anti-Atlas). Habitat: The specimens were collected by bea- ting Cytisus balansae (Fabaceae).

Etymology Figures 3-5. Male genitalia of O. (Pachylops) neoriegeri sp. n. – (3) Left paramere. – (4) Right paramere, dorsal Dedicated with pleasure to our colleague Ch r i s - th and ventral view. – (5) Phallic sclerotized appendages; t i a n Ri e g e r , on the occasion of his 70 birthday, arrows indicate different views of the serrated apical for his great contribution to the Palaearctic Cata­ part of the larger appendage; asterisk indicates the lo- logue of Heteroptera. The greek prefix “neo” cation of the finger-like spicule. Scale bars: 2 mm.

Figures 6-8. Female genitalia of O. (Pachylops) neoriegeri sp. n. – (6) Bursa copulatrix, dorsal view. (7) Basis of the gonapophyse VIII and vulva. (8) Dorsal lobe of interramal sclerite. – Abbreviations: dp: dorsal pouches; ov: oviduct; sr: sclerotized ring; ss: seminal sac; vg: vermiform gland. Scale bars: 2 mm. ©Staatl. Mus. f. Naturkde Karlsruhe & Naturwiss. Ver. Karlsruhe e.V.; download unter www.zobodat.at

150 Andrias 20 (2014)

(meaning “new”) is added to avoid confusion with and serrated (see for instance So u t h w o o d , 1953, Orthotylus (Melanotrichus) riegeri He c k m a n n , Ca r ap e z z a 1997, Wy n i g e r & Bu r c k h a r d t , 2003), 2000, now transferred to the genus Blepharidop­ except in the subgenus Melanotrichus in which terus Ko l e n a t i , 1845 (He c k m a n n 2001). they can be simple and smooth (Wa g n e r , 1974, Ca r ap e z z a , 1997, Wy n i g e r & Bu r c k h a r d t , 2003; Discussion Li n n a v u o r i , 2004). O. (Pachylops) neoriegeri sp. n. can be separated In the female, the dorsal lobes of the interramal at first sight from most other Euro-Mediterranean sclerites, often illustrated in various Orthotylus Orthotylus species by its brown coloration. Pa- species (So u t h w o o d , 1953, So u t h w o o d & Le s t o n , learctic Orthotylus species are normally predo- 1959, Wa g n e r , 1974, Eh a n n o & Ma t o c q , 1990, minantly green bugs (usually turning yellowish Yas u n a g a , 1999, Pa g o l a -Ca r t e & Za b a l e g u i , as dry specimens). Some exceptions exist, such 2006, Pa g o l a -Ca r t e & Ri b e s , 2007, Pa g o l a -Ca r t e as O. (Melanotrichus) rubidus (Pu t o n , 1877) a & Ri b e s , 2008), do not seem able to supply reli- reddish green to red species, O. (Melanotrichus) able characters for the time being; they appear nocturnus Li n n a v u o r i , 2004, dark brown, O. (Pi­ rather variable and not very characteristic at nocapsus) fuscescens (Ki r s c h b a u m , 1856) olive specific or subgeneric level. Within the subgenus brown, O. (s. str.) obscurus Re u t e r , 1875, brown Pachylops, the dorsal wall of the bursa copulatrix to black and O. (s. str.) psalloides Wa g n e r , 1959, of neoriegeri sp. n. can only be compared with a very dark species that also occurs in Morocco. that of the two Pachylops species O. (P.) empetri However, the species so far included in the sub- and O. (P.) concolor illustrated by Pa g o l a -Ca r - genus Pachylops are all green. t e & Ri b e s (2008). Contrary to all expectations, We are placing O. (P. ) neoriegeri sp. n. in the sub- this comparison does not show interesting dif- genus Pachylops because of its vestiture, the ferences or similarities. On the other hand, the male genital structures and the host plant asso- detailed illustrations of the bursa copulatrix given ciation. by Pa g o l a -Ca r t e & Ri b e s (2007) for four species of Orthotylus s. str. show clearly that the confor- Vestiture: According to Wa g n e r (1974) and mation of the dorsal wall of the bursa can offer di- ­Eh a n n o & Ma t o c q (1990), two types of setae – stinctive features, i.e. definite specific characters scale-like recumbent pale setae and suberect possibly also useful at the subgeneric level. dark setae – like those of O. (P. ) neoriegeri sp. n., distinguish the representatives of the subgenus Host plant association: Orthotylus spp. live on Neopachylops, now a junior synonyme of Pachy­ plants belonging to various plant families (Sc h u h , lops as mentioned in the introduction (Ca r ap e z z a 1995) and several representatives of the genus 1997; Ca r ap e z z a & Ke r z h n e r 1998; ICZN 2000). are also known as predators of aphids and psyl- lids (Wh e e l e r 2001). O. (P.) neoriegeri sp. n. was Genitalia: Within the Orthotylinae, male genital collected on Cytisus balansae. Within the subge- structures, i.e. the parameres and the phallic nus Pachylops, the species are predominantly as- sclerotized appendages, are very complex, ma- sociated with a few closely related genera in the king them difficult to illustrate and to compare. Fabaceae: Cytisus [also cited as Sarothamnus], This is particularly the case for the genus Or­ Genista, Adenocarpus, Calicotome, Retama, thotylus. Eh a n n o & Ma t o c q (1990) indicated the Spartium (Gö l l n e r -Sc h e i d i n g 1968, 1970, 1972, presence of complicated parameres and of bran- Wa g n e r 1974, Ca r ap e z z a 1997, Pa g o l a Ca r t e ched sclerotized appendages of the phallus, ser- & Za b a l e g u i 2006, Pa g o l a Ca r t e & Ri b e s 2008). rated or not. In fact, in the subgenus Pachylops, Only two species are known to live on plants of it seems that the two sclerotized phallic appen- other groups: O. (P.) thymelaeae Wagner, 1965, dages are simple, usually unbranched and rela- and O. (P.) empetri Wagner, 1977, are associat­ed tively poorly serrated as in O. (Pachylops) conco­ with Thymelaeaceae (see Pa g o l a Ca r t e & Ri b e s lor (Ki r s c h b a u m , 1856) (So u t h w o o d 1953), O. (P.) 2008 for details). To our knowledge, no species in virescens (Wa g n e r , 1974) (Ca r ap e z z a , 1977), O. the other subgenera of Orthotylus live on Geni­ (P) jordii (Pa g o l a -Ca r t e & Za b a l e g u i , 2006) and sta, Cytisus or related Fabaceae. In both “host list for the other species as far as it is possible to indexes” included in the mirid Catalogue, Sc h u h distinguish details in the illustrations given by (1995) erroneously suggested that two species – Wa g n e r (1974). In other subgenera, the scle- O. (s. str.) prasinus (Fa l l é n , 1826) and O. (s. str.) rotized phallic appendages are more branched viridinervis (Ki r s c h b a u m , 1856) – are found on ©Staatl. Mus. f. Naturkde Karlsruhe & Naturwiss. Ver. Karlsruhe e.V.; download unter www.zobodat.at

Ma t o c q & Pl u o t -Si g w a l t : A new plant bug from Morocco 151

“Sarothamnus scoparius”. However, for both the- Eh a n n o , B. & Ma t o c q , A. (1990): Compléments à la se species the authors cited in the catalogue, as faune de France des Hétéroptères Miridae Orthoty­ well as others, actually indicate other host plants lus (Parapachylops n. subgen.) armoricacus n. sp. – such as Salix, Populus (Salicaceae), Ulmus (Ul- Bulletin de la Société entomologique de France 94 (9-10): 265-272; Paris. maceae), Tilia (Tiliaceae), Daphne (Thymelaea- Gö l l n e r -Sc h e i d i n g , U. (1968): Über die Heteropteren ceae), Sorbus (Rosaceae), Fagus (Fagaceae) des Besenginsters (Sarothamnus scoparius (L.) etc. (So u t h w w o d & Le s t o n 1959, Gö l l n e r -Sc h e i - Wi m m .). – Entomologische Berichte 1968: 19-23; Am- d i n g 1970, 1972, 1974, Pu t s h k o v 1971, Wa g n e r sterdam. 1974, He n r y & Wh e e l e r 1979, Ke l t o n 1982, Ta m a - Gö l l n e r -Sc h e i d i n g , U. (1970): Beiträge zur Heteropte- n i n i 1982, Eh a n n o 1987), and no Fabaceae. ren-Fauna Brandenburgs 1, Die Heteropteren-Fauna A single possible exception is the case of the des Groß-Maschnower Weinbergs und seiner nähe- dark brown coloured O. (s. str.) psalloides. This ren Umgebung. – Archiv für Naturschutz und Land- species, so far only known from Morocco by schaftsforschung 10: 41-70; Berlin. the male holotype, has been collected in lar- Gö l l n e r -Sc h e i d i n g , U. (1972): Beiträge zur Hetero- pteren-Fauna Brandenburgs 2, Übersicht die He- ge numbers on Genista sp., again in Morocco teropteren von Brandenburg. – Veröffentlichungen (Ma t o c q , unpublished obs.). The male, once dis- Bezirksheimatmuseum Postdam 25/26: 5-39; Pos­ sected, had parameres similar to those of O. (P.) tdam. neoriegeri sp. n., but quite different phallic ap- Gö l l n e r -Sc h e i d i n g , U. (1974): Beiträge zur Heteropte- pendages, showing that it is a distinct species. ren-Fauna Brandenburgs 3, Die Heteropterenfauna Taking into account the importance, in the mirid der Oderwiesen und -hänge bei Lebus/Oder. – Fau- family, of the frequent close association between nistische Abhandlungen 5: 181-198; Dresden. a group of related species with a plant or a group He c k m a n n , R. (2001): Addendum zu He c k m a n n , R. of related plants, this case is fairly interesting (2001): Orthotylus (Melanotrichus) riegeri n. sp., a new plant bug from Switzerland (Heteroptera: Miri- and could indicate, once more, the necessity of dae: Orthotylinae). – (Mitteilungen Schweizer Ento- redefining Pachylops and the other subgenera mologische Gesellschaft: 211-217. – Heteropteron on the basis of additional characters. Orthotylus 10: 35-36; Köln. is considered as a heterogeneous genus in need He n r y , T. J. & Wh e e l e r , A. G. Jr. (1979): Palearctic Miri- of a comprehensive review (Sc h u h 1995, Ke r z h - dae in North America: records of newly discovered n e r & Sc h u h 1995, Ke r z h n e r & Jo s i f o v 1999, Ya- and little-known species (: Heteroptera). – s u n a g a 1999). Proceedings Entomological Society Washington 81: 257-268; Washington. ICZN (2000): Pachylops Fi e b e r , 1858 (Insecta, Heter- Acknowledgements optera): Capsus chloropterus Ki r s c h b a u m , 1858 (cur- We thank the following persons for their help: Al a i n Do- rently Orthotylus virescens (Do u g l as & Sc o t t , 1865) b i g n a r d (Le Biot) for the identification of the host plant fixed as the type species. – Bulletin Zoological No- and J.-C. St r e i t o (Montpellier) for the digital colour pic- menclature 57(1): 54-55; London. tures of the habitus. A special thank to Jo h n Ho l l i e r Ke l t o n , L. A. (1982): New records of European Pilopho­ (Museum Geneva) for correcting the English language rus and Orthotylus in Canada (Heteroptera: Miridae). and to Ph i l i pp e Ma g n i e n for his remarks. – Canadian Entomology 114: 283-287; Ottawa. Ke r z h n e r , I. M. & Jo s i f o v , M. (1999): Miridae Hahn, 1933. – In: Au k e m a , B. & Ri e g e r , C. (eds.): Catalogue References of the Heteroptera of the Palaearctic Region 3, Cimi- Au k e m a , B., Ri e g e r , C. & Ra b i t s c h , W. (2013): Catalogue comorpha 2: 577 p.; The Netherlands Entomological of the Palaearctic Region 6: 629 p. – The Netherland Society, Amsterdam. Entomological Society, Amsterdam. Ke r z h n e r , I. M. & Sc h u h , R. T. (1995): Homonymy, syn- Ca r ap e z z a , A. (1997): Heteroptera of Tunisia. – Il Natu- onymy, and new combinations in the Miridae (Heter- ralista Siciliano, suppl. A 21: 1-331; Palermo. optera). – American Museum Novitates 3137: 1-11; Ca r ap e z z a , A & Ke r z h n e r , I.M. (1998): Pachylops Fi e b e r , New York. 1858 (Insecta, Heteroptera) proposed designation of Li n n a v u o r i , R. E. (2004): Heteroptera of the Hormoz- Capsus chloropterus Ki r s c h b a u m , 1856 (currently Or­ gan province in Iran. 2. Nepomorpha, Gerromorpha, thotylus virescens (Do u g l as & Sc o t t , 1865)) as the Leptopodomorpha, (Nabidae, An- type species. – Bulletin Zoological Nomenclature 55: thocoridae, Miridae). – Acta Universitatis Carolinae 146-150; London. Biologica 48: 85-98; Praha. Eh a n n o , B. (1987): Les Hétéroptères Mirides de France Pa g o l a -Ca r t e , S. & Ri b e s , J. (2007): On some Ortho­ 2B: Inventaire biogéographique et Atlas. – Museum tylus s. str. Fi e b e r , 1858, from the Basque Country national d’Histoire naturelle. Inventaire de Faune et (Hemiptera, Heteroptera, Miridae). – Bulletin Société de Flore 42: 1-9, 649-1075; Paris. Entomologique de France 112(1): 73-78; Paris. ©Staatl. Mus. f. Naturkde Karlsruhe & Naturwiss. Ver. Karlsruhe e.V.; download unter www.zobodat.at

152 Andrias 20 (2014)

Pa g o l a -Ca r t e , S. & Ri b e s , J. (2008): What is Orthoty­ – Transactions Royal Entomological Society London lus empetri Wa g n e r , 1977? (Hemiptera: Heteroptera: 104(11): 415-449; London. Miridae). – Heteropterus Revista de Entomologia So u t h w o o d , T. R. E. & Le s t o n , D. (1959): Land and 8(2): 197-206; San Sebastián. water bugs of the British Isles: 436 p. London [Fre- Pa g o l a -Ca r t e , S. & Za b a l e g u i , I. (2006): Orthotylus derick Warne] (Pachylops) jordii sp. nov. (Hemiptera: Heteroptera: Ta m a n i n i , L. (1982): Gli eterotteri dell’Alto Adige (Insec- Miridae) from the Basque Country, northern Iberian ta: Heteroptera). – Studi Trentini di Scienze Naturali, Peninsula. – Heteropterus Revista de Entomologia 6: Acta Biologica 59: 65-194;Trento. 67-74; San Sebastián. Wa g n e r , E. (1974): Die Miridae Ha h n , 1831 des Mit- Pu t s h k o v , V. G. (1971): On the ecology of some little telmeerraumes und der Makaronesischen Inseln known Heteroptera from the European regions of (Hemiptera, Heteroptera) 2. – Ent. Abhandl. Staatli- the USSR. Communication 4, Miridae. – Vestnik Zo- ches Museum Tierkunde Dresden 39 (suppl. 1973): ologii, 1971(5): 30-35; Kiev. [in Russian] 1-421. Sc h u h , R. T. (1995): Plant bugs of the world (Insecta: Wh e e l e r , A. G. (Jr.) (2001): Biology of the Plant Bugs Heteroptera: Miridae): Systematic, catalog, distribu- (Hemiptera: Miridae). Pests, Predators, Opportun- tions, host list, and bibliography. – New York Ento- ists: 507 p.; Cornell, Ithaca, New York. mological Society, New-York: xii + 1329 p. Wy n i g e r , D. & Bu r c k h a r d t , D. (2003): Die Landwanzen- Sc h u h , R. T. (2013): On-line systematic catalog of plant fauna (Hemiptera, Heteroptera) von Basel (Schweiz) bugs (Insecta: Heteroptera: Miridae). – htpp://re- und Umgebung. – Mitteilungen Schweizer Entomolo- search.amnh.org/pbi/catalog/ [15 October 2013] gische Gesellschaft 76: 1-136; Lausanne. So u t h w o o d , T. R. E. (1953): The morphology and tax- Yas u n a g a , T. (1999): The plant bug tribe in onomy of the genus Orthotylus Fi e b e r (Hem., Miri- Japan (Heteroptera: Miridae: Orthotylinae). – Tijd- dae), with special reference to the british species. schrift voor Entomologie 142: 143-183; Amsterdam.