Aplagiognathus hybostoma Bates. From 1879
Creators: name: Santos-Silva, Antonio
name: Wappes, James E.
Publisher: name: Zenodo
Year: 2012
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Cerambycidae
Aplagiognathus
Aplagiognathus hybostoma

description: <i>Aplagiognathus hybostoma</i> Bates, 1879 (Fig. 1-5, 11, 13-16, 21-24) <i>Aplagiognathus hybostoma</i> Bates, 1879: 8; 1884: 234; Lameere 1903: 17; 1913: 10 (cat.); 1919: 26; Blackwelder 1946: 552; Chemsak et al. 1992: 14 (checklist); Monné and Giesbert 1994: 5 (checklist); Monné 1995: 5 (cat.); Monné and Hovore 2005: 13 (checklist); 2006: 12 (checklist); Hovore 2006: 371 (distribution); Monné 2006: 45 (cat.); Jeniš 2010: 142 (syntype). <i>Mallodon hybostoma</i>; Lameere 1883: 6 (cat.). <b>Redescription</b>. <b>Male</b> (Fig. 1). Anterior margin of clypeus almost straight (Fig. 5) or slightly projected centrally. Labrum short, greatest length less than 0.2 times the width; each membranous area nearly equal in length to central sclerotized area Hypostomal area varies from punctate to transversally striate and punctate (Fig. 4), punctures moderately abundant, more so towards gula; anterior margin about as wide as central area of prosternal process, gradually to abruptly elevated. Outer margin of mandibles with basal projection (Fig. 5); dorsal carina with a strongly elevated tooth (Fig. 11). Scape slightly rounded dorsally; reaches, or almost reaches, posterior edge of eyes. Callosities of pronotal disc large, distinctly interconnected to the impunctate and shiny basal area (Fig. 3); area between apex of callosities and anterior margin somewhat narrow; area between each callosity and lateral margin with another callosity variable, large or small, coarsely punctate, interconnected or not to the basal shiny area. Elytra finely punctate, punctures moderately abundant (Fig. 2). <b>Female</b> (Fig. 13). Outer margin of mandibles evenly rounded, lacking a projection (as in the male); dorsal carina without elevated tooth (Fig. 15), but narrow and distinct (Fig. 16). <b>Dimensions in mm (male/female)</b>. Total length (including mandibles), 48.5-54.1/39.5-49.5 (lectotype is 36.0); prothoracic length, 6.5-7.7/5.3-6.7; prothoracic width at widest point, 14.0-15.9/10.4-14.2 (lectotype is 13.0); humeral width, 13.6-14.6/11.0-14.8; elytral length, 31.6-34.2/28.5-35.6. <b>Types</b>. Bates (1879) described <i>A. hybostoma</i> based on two male syntypes, both collected in Guatemala (Calderas and Dueñas) and deposited at BMNH. The precise identities of the type localities are defined by Selander and Vaurie (1962): “ CALDERAS, CHIMALTENANGO, GUATEMALA. Village on the slope of Volcán de Fuego 10 km. west of Antigua; 7000 feet; 14 o 28’, 90 o 57’” and “ DUEÑAS, SACATEPÉQUEZ, GUATEMALA. Village near the volcano of Acatenango 6 to 8 km. southwest of Antigua; 4700± feet; 14 o 32’, 90 o 47’” (locality of the specimen herein designated as the lectotype). Monné (2006) recorded: “Type locality <i>—</i> Guatemala, Chimaltenango: Calderas.” However, as seen above, Bates (1879) described the species from two different Guatemala localities. Since no primary type was designated for the species, the type locality encompasses both localities (ICZN 1999: Article 76.1). We here designate as <b>lectotype</b> (Fig. 21-24) for <i>Aplagiognathus hybostoma</i> a specimen deposited at BMNH, with the following labels: 1. Top label (round, outlined in a red circle) simply says “ Type ”. 2. “Duenas, Guatemala / G. C. Champion”. 3. “BCA, Col., V/ <i>Aplagiognathus hybostoma</i> Bates ”. 4. “Sp. figured” 5. (hand-written) “ <i>Aplagiognathus hybostoma</i> Bates. ” 6. Red (printed), added by us: LECTOTYPE / [male symbol]/ <i>Aplagiognathus hybostoma</i> Bates 1879 / Designated by Santos-Silva and Wappes 2012”. <b>Geographical distribution</b>. Mexico (<b>new country record),</b> (Chiapas, Guerrero and Oaxaca – <b>new records</b>), Honduras, Guatemala (Bates, 1879). <b>Material examined</b> (in addition to the lectotype). MEXICO, <i>Chiapas</i>: 10 km SE San Cristobal, male, V.31.1987, B. Ratcliffe &amp; M. Jameson col. (ACMT). <i>Guerrero</i>: Omilteme, male, July, H. H. Smith (USNM). <i>Oaxaca</i>: male, F. Tippmann (USNM). HONDURAS, <i>Ocotepeque</i>: Guisarote Bio. Preserve, female, V.21.1995, J. E. Wappes col. (ACMT). <i>La Paz</i>: Reserva Biológica Guajiquiro (2170 m; N 14 o 07’53”, W 87 o 32’47”), female, VI.20.2001, B. Ratcliffe, M. L. Jameson &amp; R. Cave col. (UNSM). GUATEMALA, male, (no date or locality indicated), F. Tippmann, (USNM). <i>Baja Verapaz</i>: Posada de Montana, 1 male, 1 female, VI.05.1991, J. E. Wappes col. (ACMT). <i>Quetzaltenango</i>: Zunil (Las Fuentes Georginas, MV /BL, N14 o 45’0.4”, W91 o 28’48.8”, 2440 m, cloudforest), female, VII-7-2009, Paulsen, Cano, Orozco Colls. (ACMT). <i>Sacatepequez</i>: Antigua Guatemala, Cerro Carmona, Fca El Pilar, N14 o 32.30’ W90 o 41.80’, 2080 m, 2 females, VII-4-2009, Ratcliffe et al. Colls. (ACMT, UNSM). <b>Remarks</b>. According to Bates (1879): “Long. 1 poll. 6 lin.” [about 38.12 mm]; and compared to <i>A. spinosus</i> he wrote “It is also a smaller and rather narrower insect”. However, among the males examined all but one is as long as and as robust as <i>A. spinosus</i>.
description: Published as part of <i>Santos-Silva, Antonio &amp; Wappes, James E., 2012, The genus Aplagiognathus Thomson, 1861 (Coleoptera, Cerambycidae, Prioninae, Macrotomini), pp. 1-13 in Insecta Mundi 2012 (264)</i> on pages 5-6, DOI: 10.5281/zenodo.5175602
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