On Microvelia (Heteroptera, Veliidae) from Spain Sergio Santamaria Universitat Autònoma De Barcelona, Bellaterra, Spain
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Aliso: A Journal of Systematic and Evolutionary Botany Volume 26 Issue 1 Commemorating Dr. Richard K. Benjamin and Article 5 his Contributions to the Study of Laboulbeniales and Zygomycetes 2008 Laboulbeniales on Semiaquatic Heteroptera. A New Species of Triceromyces (Ascomycota, Laboulbeniales) on Microvelia (Heteroptera, Veliidae) from Spain Sergio Santamaria Universitat Autònoma de Barcelona, Bellaterra, Spain Follow this and additional works at: http://scholarship.claremont.edu/aliso Part of the Biodiversity Commons, and the Pathogenic Microbiology Commons Recommended Citation Santamaria, Sergio (2008) "Laboulbeniales on Semiaquatic Heteroptera. A New Species of Triceromyces (Ascomycota, Laboulbeniales) on Microvelia (Heteroptera, Veliidae) from Spain," Aliso: A Journal of Systematic and Evolutionary Botany: Vol. 26: Iss. 1, Article 5. Available at: http://scholarship.claremont.edu/aliso/vol26/iss1/5 Aliso, 26, pp. 15–21 ’ 2008, Rancho Santa Ana Botanic Garden LABOULBENIALES ON SEMIAQUATIC HETEROPTERA. A NEW SPECIES OF TRICEROMYCES (ASCOMYCOTA, LABOULBENIALES) ON MICROVELIA (HETEROPTERA, VELIIDAE) FROM SPAIN SERGIO SANTAMARIA Unitat de Bota`nica, Facultat de Cie`ncies, Departament de Biologia Animal, Biologia Vegetal i Ecologia, Universitat Auto`noma de Barcelona, 08193–Bellaterra, Barcelona, Spain ([email protected]) ABSTRACT A new species of fungal genus Triceromyces (Laboulbeniales) is described: Triceromyces benjaminii. The description is based on several thalli found on the insect host Microvelia pygmaea (Heteroptera, Veliidae), collected in two localities from SE Spain. Characteristics of male and female thalli of this dioecious species are discussed and compared with other dioecious taxa. The characteristics of male thalli require some adjustment in generic limits. This is the first species of Triceromyces known to parasitize a species of Microvelia, a semiaquatic heteropteran genus. The new species is described and illustrated with line drawings and photographs. A table collates information on synonymy, hosts, geographical distribution, and salient references pertinent to taxa of Laboulbeniales parasitic on semiaquatic Heteroptera. Key words: Ascomycota, dioecism, Heteroptera, Laboulbeniales, Microvelia, morphology, Spain, taxonomy, Triceromyces. INTRODUCTION myces lasiochili Thaxt. (Thaxter 1917); ; Hesperomyces lasiochili (Thaxt.) Thaxt. (Thaxter 1931); ; Acompsomyces Laboulbeniales Engler, an order of fungal parasites, are lasiochili (Thaxt.) I.I.Tav. (Tavares 1985)]; (2) Myodocha known to parasitize Heteroptera (true bugs), a lineage in the unispinosa Sta˚l (Lygaeidae, Pentatomomorpha) from Guate- insect order Hemiptera. Several alternative classifications are mala is parasitized by Corethromyces myodochae Thaxt. in use for the Hemiptera–Heteroptera–Homoptera lineage of (Thaxter 1931); (3) Coptosoma spp. (Pentatomidae, Pentato- Insecta. Traditionally, Hemiptera have been divided into two momorpha) from Madagascar, Fiji, and the Solomon Islands suborders, Heteroptera and Homoptera (Brues et al. 1954). are parasitized by Polyandromyces coptosomalis Thaxt., Subsequently, new classifications have emerged, and modern Coptosoma spp. from Cameroon are parasitized by P. studies using molecular methods have further changed the coptosomalis var. minor Thaxt. (Thaxter 1931), as is an classical view of hemipteran systematics, although the mono- phyly of the group is strongly supported (Yoshizawa and undetermined pentatomid from Ecuador (Benjamin 1967); Saigusa 2001). and (4) Macroscytus fraterculus Horva´th (Cydnidae, Pentato- In the absence of a unified system, two classifications momorpha) from Japan is parasitized by Majewskia japonica deserve mention: the ‘‘Tree of Life, web project’’ (http://tolweb. Y.B.Lee & K.Sugiy. (Lee and Sugiyama 1986). Semiaquatic org/tree/phylogeny.html) divides the so called hemipteroid Heteroptera, currently included in suborder Gerromorpha, assemblage into four suborders: Sternorrhyncha (psyllids, provide the greatest number of insect hosts for Laboulbeniales whiteflies, aphids, coccids), Auchenorrhyncha (cicadas, leaf- (Table 1), including members of families Hebridae, Hydro- hoppers, treehoppers, fulgoroids), Coleorrhyncha (Peloridii- metridae, Macroveliidae, Mesoveliidae, and Veliidae. dae), and Heteroptera (true bugs). The alternative classifica- Studies on Laboulbeniales parasitizing semiaquatic Heter- tion, based on the studies by Sorensen et al. (1995), divides optera attracted the attention of Richard K. Benjamin who order Hemiptera into suborders Sternorrhyncha, Clypeor- published eight contributions on this topic. In 1967, Benjamin rhyncha (incl. Auchenorrhyncha), Archaeorrhyncha (incl. the described in detail the species of Laboulbenia known on these fulgoroids, i.e., Fulgoromorpha), and Prosorrhyncha (incl. insects, including two species parasitizing Velia, two new Heteroptera and Coleorrhyncha). Regardless of the classifica- species on Microvelia, four new species on Rhagovelia, and two tion used, Heteroptera continue to be a natural, isolated, and new species on Macrovelia (Table 1). In the second contribu- well defined group. tion, Benjamin (1970) described Autophagomyces poissonii and Heteroptera are divided into seven infraorders (Enicocepha- Dioicomyces mesoveliae on Mesovelia, and described the new lomorpha, Dipsocoromorpha, Gerromorpha, Nepomorpha, genus Prolixandromyces with two species attacking Velia. The Leptopodomorpha, Cimicomorpha, and Pentatomomorpha) third Benjamin report was published in 1979, where he studied based upon the studies of Schuh (1979) and Wheeler et al. genus Rhizopodomyces, including seven species, two on (1993). Among aquatic Heteroptera, Laboulbeniales are only Merragata and five on Hebrus, six of them new to science. known by genus Coreomyces (Thaxter 1902) parasitizing Benjamin (1981) added three new species to genus Prolixan- family Corixidae (Nepomorpha). Among terrestrial Heterop- dromyces parasitic on Velia. In 1986, Benjamin treated tera, Laboulbeniales are known on four genera: (1) Lasiochilus Triceromyces (see below). In the sixth part of the series, pallidulus Reuter (Anthocoridae, Cimicomorpha) from Gre- Benjamin (1993) studied Tavaresiella and described three new nada Island (West Indies) is parasitized by Cupulomyces species on Hebridae. After, Benjamin (1998) added new lasiochili (Thaxt.) R.K.Benj. (Benjamin 1992) [; Stigmato- observations and described four new species of Triceromyces 16 Santamaria ALISO Table 1. List of Laboulbeniales described on semiaquatic Heteroptera, with synonyms, hosts, geographical distribution, and selected references. Autophagomyces sp. Microvelia (Veliidae) France (Poisson 1957) Mesovelia (Mesoveliidae) USA (Benjamin 1970) Autophagomyces mesoveliae Poisson nom. inval. Mesovelia (Mesoveliidae) France (Poisson 1957) Laboulbenia drakei R.K.Benj. Rhagovelia (Veliidae) Panama (Benjamin 1967) Laboulbenia hemipteralis Thaxt. Velia (Veliidae) Argentina (Thaxter 1912) Laboulbenia leechii R.K.Benj. Microvelia (Veliidae) Mexico, USA (Benjamin 1967) Laboulbenia macroveliae R.K.Benj. Macrovelia (Macroveliidae) USA (Benjamin 1967) Laboulbenia microveliae R.K.Benj. Microvelia (Veliidae) Mexico, USA (Benjamin 1967) Laboulbenia rhagoveliae R.K.Benj. Rhagovelia (Veliidae) Mexico, Panama (Benjamin 1967) Laboulbenia titschackii Poisson nom. inval. Velia (Veliidae) Peru (Poisson 1954) Laboulbenia truxalii R.K.Benj. Rhagovelia (Veliidae) Mexico (Benjamin 1967) Laboulbenia uhleri R.K.Benj. Macrovelia (Macroveliidae) USA (Benjamin 1967) Laboulbenia usingeri R.K.Benj. Rhagovelia (Veliidae) Panama (Benjamin 1967) Laboulbenia veliae Thaxt. Velia (Veliidae) Argentina (Thaxter 1912) Monandromyces australis R.K.Benj. Microvelia (Veliidae) Australia, Flores Island (Benjamin 1999) Monandromyces elongatus R.K.Benj. Pseudovelia (Veliidae) Sumatra (Benjamin 1999) Monandromyces falcatus R.K.Benj. Microvelia (Veliidae) New Guinea (Indonesia) (Benjamin 1999) Monandromyces longispinae R.K.Benj. Pseudovelia (Veliidae) Madagascar, Malawi, Tanzania (Benjamin 1999) Monandromyces microveliae (Thaxt.) R.K.Benj. Microvelia (Veliidae) Sumatra (Thaxter 1931, Benjamin 1999) ; Autophagomyces microveliae Thaxt. Monandromyces neoalardi R.K.Benj. Neoalardus (Veliidae) Malaysia (Benjamin 1999) Monandromyces polhemorum R.K.Benj. Microvelia (Veliidae) Timor (Benjamin 1999) Monandromyces protuberans R.K.Benj. Microvelia (Veliidae) Australia (Benjamin 1999) Monandromyces pseudoveliae R.K.Benj. Pseudovelia (Veliidae) Madagascar (Benjamin 1999) Monandromyces tenuistipitis R.K.Benj. Microvelia (Veliidae) New Guinea (Indonesia) (Benjamin 1999) Monandromyces umbonatus R.K.Benj. Microvelia (Veliidae) Timor (Benjamin 1999) Prolixandromyces sp. Rhagovelia (Veliidae) Nigeria, Sierra Leone (Rossi 1982) Prolixandromyces corniculatus R.K.Benj. Velia (Veliidae) El Salvador, Mexico (Benjamin 1970) Prolixandromyces lingulatus R.K.Benj. Velia (Veliidae) Nicaragua (Benjamin 1981) Prolixandromyces rhinoceralis R.K.Benj. Velia (Veliidae) Nicaragua (Benjamin 1981) Prolixandromyces tenuis R.K.Benj. Velia (Veliidae) Costa Rica (Benjamin 1981) Prolixandromyces triandrus Santam. Velia (Veliidae) Spain, Portugal (Santamaria 1988, 1992), France (Balazuc 1990) Prolixandromyces veliae R.K.Benj. Velia (Veliidae) Mexico (Benjamin 1970), Nicaragua (Benjamin 1981) Rhizopodomyces sp. Hebrus (Hebridae) Mexico (Benjamin 1979) Rhizopodomyces basifurcatus R.K.Benj. Hebrus (Hebridae) Mexico (Benjamin 1979) Rhizopodomyces californicus R.K.Benj. Merragata (Hebridae) USA (Benjamin 1979)