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Redalyc.A New Species and First Record of Ceratoculicoides Wirth Folia Entomológica Mexicana ISSN: 0430-8603 [email protected] Sociedad Mexicana de Entomología, A.C. México Huerta, Herón; Borkent, Art A new species and first record of Ceratoculicoides Wirth and Ratanaworabhan from the Neotropical region and new species and records of Brachypogon Kieffer from Mexico (Diptera: Ceratopogonidae) Folia Entomológica Mexicana, vol. 44, núm. Su1, noviembre, 2005, pp. 111-119 Sociedad Mexicana de Entomología, A.C. Xalapa, México Available in: http://www.redalyc.org/articulo.oa?id=42409914 How to cite Complete issue Scientific Information System More information about this article Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Journal's homepage in redalyc.org Non-profit academic project, developed under the open access initiative Folia Entomol. Mex., 44 (Supl. 1): 111-119 (2005) A NEW SPECIES AND FIRST RECORD OF CERATOCULICOIDES WIRTH AND RATANAWORABHAN FROM THE NEOTROPICAL REGION AND NEW SPECIES AND RECORDS OF BRACHYPOGON KIEFFER FROM MEXICO (DIPTERA: CERATOPOGONIDAE) HERÓN HUERTA*** AND ART BORKENT * Lab. Entomología, InDRE, Carpio 470, Col. Santo Tomás, 11340, México D. F. [email protected] ** Research Associate, Royal British Columbia Museum, the American Museum of Natural History and Instituto Nacional de Biodiversidad; 691-8th Ave. SE, Salmon Arm, British Columbia, V1E 2C2, Canada. [email protected] Huerta, H., and A. Borkent. 2005. A new species and first record of Ceratoculicoides Wirth and Ratanaworabhan from the Neotropical region and new species and records of Brachypogon Kieffer from Mexico (Diptera: Ceratopogonidae). Folia Entomol. Mex., 44 (Supl. 1): 111-119. ABSTRACT. Two new species of predaceous midges are described from Mexico: Ceratoculicoides aliciae and Brachypogon (Isohelea) cuacuahuitlus. Ceratoculicoides aliciae represents the firstoccurrence of the genus from outside the Holarctic Region. Additional unnamed females are recorded from Costa Rica. Two further species of Brachypogon Kieffer are recorded for the first time from Mexico: Brachypogon (Brachypogon) bimaculatus Spinelli and Grogan and B. (B.) woodruffi Spinelli and Grogan and. Brachypogon fuscivenosus (Lutz) is newly recorded from the Yucatan Peninsula (Mexico). KEY W ORDS: Diptera, Ceratopogonidae, Ceratopogonini, Brachypogon, Ceratoculicoides, Mexico, Costa Rica, new species. Huerta, H. y A. Borkent. 2005. Una nueva especie y primer registro de Ceratoculicoides Wirth y Ratanaworabhan de la región neotropical y nueva especie y registros de Brachypogon Kieffer de México (Diptera: Ceratopogonidae). Folia Entomol. Mex., 44 (Supl. 1): 111-119. RESUMEN. Dos nuevas especies de jejenes depredadores se describen de México: Ceratoculicoides aliciae y Brachypogon (Isohelea) cuacuahuitlus. Ceratoculicoides aliciae representa el primer registro del género fuera del rango de la región Holártica. Datos adicionales de hembras no descritas aún, son informados de Costa Rica. Dos especies de Brachypogon son registrados por primera vez de México: Brachypogon (Brachypogon) bimaculatus Spinelli y Grogan y B. (B.) woodruffi Spinelli y Grogan. Brachypogon fuscivenosus (Lutz) es nuevamente informado para la Península de Yucatán (México). PALABRAS CLAVE: Diptera, Ceratopogonidae, Ceratopogonini, Brachypogon, Ceratoculicoides, México, Costa Rica, nuevas especies. The Ceratopogonidae of Mexico, although des Wirth and Ratanaworabhan and Brachypo- clearly species rich, are poorly known. Only adult gon Kieffer and provide additional records of members of the economically important genus these genera from elsewhere. Culicoides Latreille are reasonably well under- The technique for preparing specimens for stood and there is a great need for further slide-mounting is described by Borkent and collecting in this large and remarkably diverse Bissett (1990). Explanations of the taxonomic country. In this paper we describe one new Mexi- characters used here are found in Downes and can species in each of the genera Ceratoculicoi- Wirth (1981), Wirth and Grogan (1988), Spinelli Huerta and Borkent: New species and records of Ceratoculicoides and Brachypogon of Mexico (1990), Borkent (1991), Spinelli and Grogan n=4); wing length 0.77-1.04 mm (0.97 mm; n=5); (1994, 1998), and Delécolle and Schiegg (1998). width 0.35-0.42 mm (0.40mm, n= 4). Halter stem Type specimens are deposited in the Collection brown; knob pale. of Arthropods of Medical Importance in the Insti- Scutum with dorsal pattern of minute sensilla tute of the Diagnostic and Epidemiology Refe- located in a clear pits, lateral portions dark brown rence, (InDRE, previously ISET), Mexico D. F., (Fig. 8), thorax (Fig. 9) with anepisternum with the collection of the Institute of Biology of the two setae, katepisternum with 2-3 setae. Legs University National Autonomic of Mexico pale yellowish (Figs. 10-12); hind tibial comb (IBUNAM), Mexico D. F., and the Canadian Na- with eight spines, tarsomeres 1-4 with apical pair tional Collection (CNCI), Ottawa, Canada. of spines; first, second tarsomeres cylindrical, fourth tarsomeres subcylindrical, fifth tarsomeres Ceratoculicoides aliciae Huerta and Borkent, slender, slightly more infuscated. Hind first tarso- sp. nov. (Figs. 1-21) mere 1 bent 30o at base, single row of dense pali- Diagnosis. Male: Extant species of Ceratoculi- sade setae, with thicker basal spine and other row coides with pale yellowish legs, elongate, slender of spines (Fig. 13); fore claws long, subequal; and basally fused parameres, and an aedeagus mid claws moderately elongate, unequal; hind slightly longer than wide and with only a single claws short, equal, all claws without basal inner pair of short terminal prongs. Female: Extant spe- teeth: TR(I) 2.0-2.3; TR(II) 2.6-3.0; TR(III) 2.2- cies of Ceratoculicoides with pale yellowish legs, 2.6. with a thicker spine near the base of the row of Abdomen: (Fig. 15) brown. Sternite 8, with palisade setae on the hindleg first tarsomere and posterior lobes moderately developed. Tergite 9 with two spermathecae. short; sternite 9 narrow, slightly scissors-shaped Description. Female: Head: (Fig. 1) Brown. medially. Sternite 10 with two pairs setae. Sper- Eyes narrowly contiguous (Fig. 2). Flagellum mathecae (Fig. 14), two, each ovoid, with slender (Fig. 3) with relative flagellomere lengths as in necks, size 0.08-0.10 mm (0.09 mm, n=4) by figure 3; antennal ratio: 0.93-1.02 (0.97, n=5); 0.03-0.05 mm (0.04 mm, n=4); 0.04-0.08 (0.06 scape of antenna with four setae; distal flagello- mm, n=4) by 0.03-0.05 mm (0.04 mm, n=4) meres pale basally, rest of each flagellomere light (including small neck), 3rd rudimentary sperma- brown; proximal flagellomeres uniformly brown; theca present. length of flagellum 0.51-0.53 mm (0.52 mm, Description. Male: As for female, with the n=5); flagellomeres separate; 1st flagellomere following differences. with 4-5 subapical sensilla coeloconica. Palpus Head: Brown. Antenna incomplete. Palpus (Fig. 4) brown, with relative segment lengths as brown, with relative segment lengths as in figure in figure 4; third segment with deep sensory pit 16. Third palpal segment moderately swollen, on distal part, filled with capitate sensilla; 4th seg- with distinct sensory pit; 4th segment with one ment with three setae. Palpal ratio: 1.5-1.7 (1.6, seta; Palpal ratio (PR): 1.5. n=5). Mandible with nine medial teeth (Fig. 5). Thorax: Wing (Fig. 17) membrane, without Thorax: Wing (Fig. 6) membrane hyaline, with- macrotrichia; CR 0.53; Wing length 0.93 mm out pigmentation, without macrotrichia except on (n=1); width 0.30 mm (n= 1). Halter brown, knob apical margins of cells r51,2 , m m . Anterior veins pale. light brown, posterior veins faint; radial cells ob- Anepisternum with two setae, katepisternum solete (Fig. 7); vein M2 obsolete on basal half; with three setae. Hind tibial comb with seven anal veins faint; costal ratio 0.53-0.55 (0.54, spines. Fore tibial spur long and simple. Claws 112 Folia Entomol. Mex., 44 (Supl. 1) (2005) FIGURES 1-13. Ceratoculicoides aliciae, n. sp. female. 1. Head (frontal aspect). 2. Separation of ommatidia (frontal aspect). 3. Antennal flagellum. 4. Left palpus (frontal aspect). 5. Mandible (figure without scale). 6. Wing. 7. Anterior veins of wing. 8. Thorax (dorsal aspect, with detailed microsculpture from lateral margin of scutum in circle). 9. Thorax (lateral aspect). 10. Fore leg. 11. Mid leg. 12. Hind leg. 13. Hind leg (tarsomere 1, lateral aspect). Scale bars in millimeters (mm). 113 Huerta and Borkent: New species and records of Ceratoculicoides and Brachypogon of Mexico small, equal sized. TR(I) 1.8; TR(II) 2.5; TR(III) with two species known from Europe and three 1.9. from the Nearctic Region. One extinct species is Genitalia: 9th tergite with distinct apicolateral known from Baltic amber (Szadziewski, 1988). process, with single apical seta (Fig. 18); ninth Knoz (1987) included a review of the genus and sternite short, broad, with deep V-shaped caudo- a key to males and females of included species median excavation. Cercus pilose. Gonocoxite (no longer valid because of synonymy and exclu- robust (Fig. 21), nearly 1.6 times as long as basal sion of C. tontoeguri (Havelka, 1980)). Delécolle breadth, with long, stout, subbasal apodeme on and Schiegg (1998) redescribed the European mesal surface; gonostylus elongate, 1.2X as long species (their C. havelkai Wirth and Grogan, as gonocoxite, apex spatula-shaped. Parameres 1988= C. gracilipes (Remm, 1967)). In North (Fig. 19) elongated, fused basally, basal arms America three species are known
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