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Hemiptera: Heteroptera, Ochteridae) from Dominican Amber 185-190 ©Staatl ZOBODAT - www.zobodat.at Zoologisch-Botanische Datenbank/Zoological-Botanical Database Digitale Literatur/Digital Literature Zeitschrift/Journal: Andrias Jahr/Year: 2014 Band/Volume: 20 Autor(en)/Author(s): Popov Yuri A., Heiss Ernst Artikel/Article: Riegerochterus baehri gen. nov. and spec. nov., the first fossil velvety bug (Hemiptera: Heteroptera, Ochteridae) from Dominican Amber 185-190 ©Staatl. Mus. f. Naturkde Karlsruhe & Naturwiss. Ver. Karlsruhe e.V.; download unter www.zobodat.at Andrias 20 (2014): 185-190, 11 Abb.; Karlsruhe, 1.12.2014 185 Riegerochterus baehri gen. nov. and spec. nov., the first fossil velvety bug (Hemiptera: Heteroptera, Ochteridae) from Dominican Amber* YURI A. PO P OV & ERNST HE ISS Abstract Prof. Dr. ERNST HE ISS , Entomology Research Associ- An inclusion in Miocene Dominican amber contained ate, Tiroler Landesmuseum, Josef-Schraffl-Strasse 2a, a well preserved velvety shore bug (Ochteridae), Rie- A-6020 Innsbruck, Austria; E-Mail: [email protected] gerochterus baehri gen. nov., spec. nov., which is de- scribed and figured in this article. This is the first fossil representative of the family recorded from Cenozoic, as all previously described taxa are much older, e.g. from Introduction the Early Jurassic of England and the Late Jurassic- The Ochteridae (velvety shore bugs) are a small Early Cretaceous of China. It is distinguished from all predominantly tropical nepomorphan family extant genera of Ochteridae by several distinct char- containing only three recent genera (Ochterus, acters that are shortly discussed. Figures and photos Megochterus and Ocyochterus), with some 55 of representatives of fossil (Riegerochterus) and recent described species (AND E RS E N & WE IR 2004). (Megochterus, Ochterus and Ocyochterus) genera are provided. Almost all belong to the cosmopolitan genus Ochterus LATR E I lle , 1807, predominantly occur- Keywords: Hemiptera, Heteroptera, Ochteridae, Do- ring throughout the warm-temperate regions of minican Amber, new genus, new species. the world. In the tropics Ochteridae are mainly replaced by the family Saldidae (SC H U H & Sla T E R Kurzfassung 1995). The monotypic genus Ocyochterus DR A K E Riegerochterus baehri gen. nov. and spec. nov., die & GÓM E Z -ME NOR , 1954 is only known from South erste fossile Ochtheride (Hemiptera: Heteroptera, America (Ecuador), and the genus Megochterus Ochteridae) aus Dominikanischem Bernstein JA CZ ew SKI , 1934, with two endemic species from Eine Inkluse Dominikanischen Bernsteins enthält ein gut erhaltenes Exemplar der Familie Ochteridae, Australia (Baeh R 1989, 1990a, 1990b). They have welches als Riegerochterus baehri gen. nov., spec. a long “probing” rostrum used for feeding on im- nov. in dieser Arbeit beschrieben und abgebildet wird. mobile or dead soil microfauna and performing Dieses ist der erste fossile Beleg dieser Familie aus the role of scavengers (RI ege R 1976). They move dem Känozoikum. Alle früheren Meldungen stammen and jump quickly and live usually at the edge of aus viel älteren geologischen Formationen, wie jene running freshwater. There they occur on sandy von England (Unterer Jura) oder China (Oberer Jura or stony shores with little vegetation (AND E RS E N & – Untere Kreide). Sie unterscheidet sich von allen re- WE IR 2004). They feed on small Diptera larvae zenten Gattungen der Ochteridae durch mehrere Merk- which live in the pits of sand deposits along the male, die diskutiert werden. Abbildungen und Fotos der fossilen Gattung Riegerochterus nov. gen. werden water course (POISSON 1957), but also on various vorgelegt und zum Vergleich mit solchen von Vertetern crayfish side-swimmers of the genusGammarus . der rezenten Gattungen Megochterus, Ochterus und The Biology of Ochteridae has also been treated Ocyochterus ergänzt. by Cha M P ION (1901), TA K aha S H I (1923), SC hell (1943), JA CZ ew SKI (1934), BO bb (1951), KORMI le V Authors (1971), PO P OV (1971), ME NK E (1979), BOU la RD Prof. Dr. YURI A. PO P OV , Paleontological Institute, Rus- & COFFIN (1991), AND E RS E N & WE IR (2004) and sian Academy of Sciences, Profsoyuznaya str. 123, KA N Y UKOV A (2006). 117997 Moscow, Russia; These bugs are one of the most ancient rep- E-Mail: [email protected] resentatives of shore dwellers and may be re- garded as an initial group of Heteroptera (PO P OV et al. 1994). Records of fossil Ochteridae are * Dr. CH RISTI A N RI ege R , honouring his 70th birthday. rather scarce and the oldest representative of ©Staatl. Mus. f. Naturkde Karlsruhe & Naturwiss. Ver. Karlsruhe e.V.; download unter www.zobodat.at 186 Andrias 20 (2014) this fami ly is the Early Jurassic Propreocoris Riegerochterus gen. nov. maculatus PO P OV , DO ll IN G & W halley , 1994, from Type species: Riegerochterus baehri spec. nov. the Lower Lias of Charmouth fauna in England. More recently a series of velvety shore bugs Diagnosis was collected from an Upper Mesozoic forma- Clearly distinguished from the three extant ge- tion in North-Eastern China. One species was nera of Ochteridae (Ochterus, Ocyochterus and described as Pristinochterus zhangi by YA O , CA I Megochterus) by a combination of characters & RE N 2007, from the Late Jurassic-Early Cre- e.g. its small size (about 3 mm), the unusual con- taceous (Yixian Formation), another from Early figuration of angulate large eyes, wide carinate Cretaceous (Jiufotang Formation) by YA O et al. vertex, roughly punctate dorsal surface of body, 2007. Further new taxa Pristiochterus ovatus the presence of an anal vein on hemelytral clavus YA O , RE N & SH I H , 2011, Floricaudus multilocel- and 11 cells of the membrane which have never lus, YA O , RE N & SH I H , 2011, and Angulochterus been observed together in all these genera. quadrimaculatus YA O , RE N & SH I H , 2011, were Description described from the Yixian Formation of north- Small size, about 3.3 mm. Surface of pronotum, eastern China. Earlier Meropachys dubius scutellum and hemelytra roughly and densely PO P OV , 1986, from the Late Cretaceous of West punctate. Mongolia was placed in the Mesozoic lygaeoid Head rather broad, almost 3x as wide as long; family Pachymeridiidae, but more probably it frontal plate not produced above base of ros- also belongs to Ochteridae. trum, not punctate, apically rather hatched; vertex The age of Dominican amber is controversially large and broad, with three longitudinal parallel discussed with an estimated age from Middle carinae; ocelli small, widely separated; eyes very Oligocene to late Lower Miocene, i. e. 23-40 mil- large, of angular shape; antennae slender, seg- lion years (GRIM al DI 1995). We support the con- ments I+II shortest and of almost equal length, clusion that Dominican Amber in the Dominican III longest and thinnest, IV slender and shorter Republic has most probably been formed 15 to than III; rostrum long, reaching to 4th abdominal 20 million years ago during the late Early Mio- segment. cene through early middle Miocene (GRIM al DI Pronotum 2.2x as wide as long; surface with 1995; ITURR al D E -VINC E NT & MA C Phee 1996). The some symmetrical wrinkles (fig. 1); lateral mar- fossilized resin of Dominican Amber has a le- gins almost straight, not convex; posterior margin guminous origin, and the Leguminoseae tree emarginated at middle. Hymenaea protera POIN A R , 1991, of the Early to Scutellum triangular, 1.5x as wide as long, short- Middle Miocene age is most probably the source er than pronotum. of this resin collected in various sites of the Do- Hemelytra largely punctate, with short dense minican Republic (ITURR al D E -VINC E NT & MA C Phee hairs along distal part of anterior margin; clavus 1996). with distinct anal vein; membrane large, with 11 cells, 4 of which are small. Material and Methods Legs: Hind tibia with a row of 6 acute spines on During the visit of one of the authors (YU. P.) at outer margin; claws straight, weakly curved. the Staatliches Museum für Naturkunde Stutt- Etymology: This genus is dedicated to our friend gart, Germany, in 2004 and also due to the efforts CH RISTI A N RI ege R (Nürtingen, Germany), an emi- of the Curator of fossil insects (mainly from the nent heteropterist, on the occasion of his 70th excellent large collection of Dominican amber) birthday, who first became well known because Dr. GÜNT E R BE C hly (Paleontological Department, of his classic monograph on the morphology of Amber Section) the bugs from the collection Ochterus marginatus (LATR E I lle , 1804). were studied and some of the more interesting Heteroptera were selected for identification and Discussion further publications (GO L U B et al. 2008; HE RCZ E K This peculiar ochterid bug is primarily character- 2011). ized by its large head, the unusual configuration of the angulate large eyes (Fig. 1-3, Fig. 6-8), and Taxonomy wrinkled surface of pronotum. Therefore it differs Infraorder Nepomorpha PO P OV , 1968 from all recent and fossil velvety shore bugs. The Superfamily Ochteroidea KIRK al D Y , 1906 number of 11cells of the hemelytral membrane Family Ochteridae KIRK al D Y , 1906 (figs. 5, 6) is only shared by the South Ameri- ©Staatl. Mus. f. Naturkde Karlsruhe & Naturwiss. Ver. Karlsruhe e.V.; download unter www.zobodat.at PO P OV & HE ISS : A new genus and species from the Dominican Amber 187 can Ocyochterus victor (BO L IV A R , 1879). Species of the genus Ochterus show only 7 cells (figs. 4, 11) and Megochterus 20 cells (fig. 9). The small size of at least 3.3 mm of Riegerochterus baehri spec. nov. is typical for Austra- lian species of Ochterus (Baeh R , 1989): O. australicus JA CZ ew SKI , 1934 (3.7 - 4.55 mm), O. baehri baehri RI ege R , 1977 (3.65 - 4.25 mm), O.
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