©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 (Heteroptera, Miridae, Orthotylinae)*
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. Orthotylus (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 (Hemiptera: 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, Cimicomorpha (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 Orthotylini 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.