Folia Entomológica Mexicana ISSN: 0430-8603 [email protected] Sociedad Mexicana de Entomología, A.C. México

Westcott, Richard L. Two new species of eschscholtz and two new species of solier (coleoptera: ) from Mexico Folia Entomológica Mexicana, vol. 44, núm. Su1, noviembre, 2005, pp. 35-43 Sociedad Mexicana de Entomología, A.C. Xalapa, México

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TWO NEW SPECIES OF ACMAEODERA ESCHSCHOLTZ AND TWO NEW SPECIES OF MASTOGENIUS SOLIER (COLEOPTERA: BUPRESTIDAE) FROM MEXICO

RICHARD L. WESTCOTT

Plant Division, Oregon Department of Agriculture, Salem, Oregon 97301, U.S.A. E-mail: [email protected]

Westcott, R.L. 2005. Two new species of Acmaeodera Eschscholtz and two new species of Mastogenius Solier (Coleoptera: Buprestidae) from Mexico. Folia Entomol. Mex., 44 (Supl. 1): 35-43.

ABSTRACT. Four new species of Buprestidae from Mexico are described and figured. They are Acmaeodera chamelensis sp. nov., A. rodriguezae sp. nov. and Mastogenius aliciae sp. nov. from Jalisco, and M. cyanelytra sp. nov. from the state of Mexico. KEY W ORDS: Coleoptera, Buprestidae, , Haplostethini, Acmaeodera, Mastogenius, , Mexico.

Westcott, R.L. 2005. Dos nuevas especies de Acmaeodera Eschscholtz y dos nuevas especies de Mastogenius Solier (Coleoptera: Buprestidae) de Mexico. Folia Entomol. Mex., 44 (Supl. 1): 35-43.

RESUMEN. Se describen e ilustran cuatro nuevas especies de Buprestidae de México. Las especies son: Acmaeodera chamelensis sp. nov., A. rodriguezae sp. nov. y Mastogenius aliciae sp. nov. de Jalisco, y M. cyanelytra sp. nov. del Estado de México. PALABRAS CLAVE: Coleoptera, Buprestidae, Acmaeoderini, Haplostethini, Acmaeodera, Mastogenius, Taxonomía, México.

Approximately 145 described species of Ac- are among “a number, yet undetermined” (they maeodera have been recorded from Mexico, and are few) mentioned by that author which “await I am aware of approximately 20 others, most description”. I am describing them not only to from Baja California Norte. I recognize 25-30 further our general knowledge and interest of more that are new species, two of which I des- Mexican Buprestidae, but to make the names cribe in this paper. Therefore, I offer my conser- available for other works in progress, including vative estimate of 200 species for Mexico. Hes- a review of the genus for Mexico (Bellamy, pers. penheide (1996) gave 153 as his estimate, includ- com.) and a study of associated with oak ing new species, some of which have since been nearby where one of the species was collected described (e.g. Westcott, 1998, 2002). By con- (A. Equihua, in litt.). Collection codens used in trast, there is only one described species of Mas- the text follow the “ and Spider Collections togenius known from Mexico, that being M. im- of the World” web site: pressipennis Fall, 1906 from the Cape Region of www.bishopmuseum.org/ bishop/ento/codens-r- Baja California Sur (Bellamy, 2002). The follow- us.html. ing new species are but distantly related to it and Westcott: New species of Acmaeodera Eschscholtz and Mastogenius Solier

Acmaeodera chamelensis sp. nov. hind umbone, punctures of intervals very fine, (Figures 1, 7) mostly indistinct; setae semierect, those of disk Holotype male: 7.00 mm long, 2.46 mm wide, basally like on pronotum, elsewhere they are strongly convex and moderately shining black white, shorter and stout. Underside with proster- above, strongly shining black below; each elytron num coarsely tightly reticulate-punctate, setae with four dull orange markings similar to Figure mostly narrow-squamiform, front margin trun- 1, which extend to lateral margin, and an orange cate, deeply retracted from anterior angles of spot near humeral angle. Head weakly convex, pronotum; meso- and metathorax coarsely reti- flattened above, with a vague median depression culate-punctate, setae variably elongate-squami- that is more pronounced above, surface coarsely form, longer than on prosternum, especially on shallowly reticulate-punctate, the punctures lateral portions; abdomen shallowly punctate, larger above, vestiture setiform, moderately long vestiture recumbent to subrecumbent, ventrites 1 and dense, white, subrecumbent; clypeus de- and 2 very finely punctate on middle, becoming pressed on base, front margin very broadly, coarsely punctate at sides, vestiture setiform on shallowly emarginate; antennae reaching to me- middle, narrow-squamiform at sides; ventrites 3 socoxae, serrate from segment 4, segments 5-11 and 4 finely indistinctly punctured, vestiture si- much wider. Pronotum widest along basal half milar to 1 and 2; ventrite 5 narrowly subtruncate then sides gradually, arcuately converging to at apex, with a small weakly developed subapical bluntly triangular apical angles, basal angles obli- plate, indistinctly punctate, vestiture setiform and quely quadrate; anterior margin deeply arcuately subrecumbent. emarginate, with a distinct median lobe; sides constricted at base, lateral margins broadly ar- MATERIAL EXAMINED cuate, entire, not visible from above; posterior Holotype (UNAM) labeled “MEXICO: Jalisco, margin subtruncate, laterally deflexed at about a Chamela, vic. ESTC UANM [sic] 9-19-VII- 90/ angle; disc very strongly convex, with three 1993, J. Huether/HOLOTYPE Acmaeodera cha- well defined, depressed basal submarginal fo- melensis Westcott” [red label]. Paratypes: 1 veae, surface coarsely, rather evenly reticulate- male, same data as holotype; 1 male, same except punctate, vestiture setiform, moderately long and Est. Biol. Chamela, 30/VI-2/VII-95, R. L. recumbent, light brownish on disc, white late- Westcott; 1 female, same except 10-20-VII-85, rally. Elytra at base slightly wider than prono- E. Giesbert coll, deposited in EBCC and RLWE. tum, narrowly transversely depressed behind Variation. The paratype males measure 7.71 front margin; umbones prominent, strongly mm X 2.70 mm and 6.43 mm X 2.31 mm, the shining, punctate below; humeral angles very female is 6.94 mm X 2.51 mm. Based upon only strongly, triangularly projecting; lateral margins four specimens, I believe that A. chamelensis will abruptly arcuate below humeri, finely serrate be found to exhibit considerable variation in along apical half, the serrations becoming coarser elytral markings. The anterior fasciae may be apically then finer at apex; suture flattened ba- joined along the margin over one or two inter- sally, distinctly elevated along middle, less so vals, and on the female they are connected me- apically; surface coarsely densely punctate, striae dially, forming a rough “O” marking. All the distinct, punctures smaller apically, intervals elytral fasciae are connected laterally on that narrow on about basal half of disk, wider apically specimen. On the three paratypes, the subapical and laterally, uniformly flattened except 9th and plate of the 5th abdominal ventrite is slightly 10th elevated for a short distance immediately be- better developed, and the apex may be broader

36 Folia Entomol. Mex., 44 (supl. 1) (2005)

FIGURES 1-6. Fig. 1: Acmaeodera chamelensis Westcott. Fig. 2: Acmaeodera rodriguezae Westcott. Figs. 3-4: Mastogenius aliciae Westcott, 3) male, 4) female. Figs. 5-6: Mastogenius cyanelytra Westcott, 5) male, 6) female.

37 Westcott: New species of Acmaeodera Eschscholtz and Mastogenius Solier and more clearly truncate, than on the holotype. from segment 5. Pronotum strongly and evenly No significant sexual difference is apparent. convex, widest along basal half then sides rather Biology. I collected a male as it flew low along strongly, arcuately converging to quadrate apical the side of a forested path (“Tejon”) at Chamela. angles, basal angles quadrate; anterior margin I have observed similar low-flying behavior in deeply arcuately emarginate, with a distinct many other species of Acmaeodera, usually as broad median lobe; sides not constricted basally, they are visiting flowers or landing on or near lateral margins entire, not sharp or visible from twigs and branches that lie on the ground. above; posterior margin truncate, deflexed at Discussion. Acmaeodera chamelensis can be sides; disk with submarginal basal foveae well- confused readily with A. aurantiofasciata defined, without distinct surrounding depres- Westcott and Noguera, 1995, the color and arran- sions, surface coarsely densely punctate on disk, gement of elytral markings being essentially the becoming very tightly reticulate-punctate la- same. However, the latter species is more nar- terally, setae as on head except becoming sub- rowly elongate, the pronotum less convex, more recumbent at sides. Elytra moderately and parallel-sided and not expanded, and the fourth evenly convex, strongly tapering, at base equally antennal segment is not triangular. Differences in wide as pronotum, slightly wider across area of vestiture are also apparent, notably beneath umbones, which are prominent and strongly yet where, in A. aurantiofasciata, the setae are lon- not densely punctate; humeral angles bluntly ger, denser and less squamiform. Acmaeodera triangular, slightly projecting; lateral margins aurantiofasciata is also known only from Jalisco, subparallel basally, then shortly and arcuately but from different areas (Westcott and Noguera, constricted opposite base of first abdominal ven- 1995). trite, weakly and sparsely serrate on apical third, Etymology.The name is geographical from Es- more strongly so on apex; suture strongly de- tación Biología Chamela, which is commonly pressed, more or less grooved, immediately referred to as “Chamela” though there is a nearby behind base, not elevated; surface coarsely den- town of the same name. sely deeply striatopunctate, intervals indistinctly punctate, not raised, setae as on pronotum, mo- Acmaeodera rodriguezae sp. nov. derately dense, erect on disk, suberect laterally. (Figures 2, 8) Underside coarsely densely punctate, more fine- Holotype male: 6.11 mm long, 2.23 mm wide, ly and sparsely so on middle of abdominal ven- black, head with strong copper reflection, pro- trite 2 and on ventrites 3-4, setae as long or notum with weak purple reflection, elytra with somewhat shorter than on dorsal surface, re- strong purple reflection and yellow fasciae and cumbent to suberect (apically), mostly finely 2-4- spots as in Figure 2, the fasciae reaching to or digitate, dense at sides, except apical portions of immediately inside lateral margins; ventral sur- abdominal ventrites 3-4 and most of 5 with nor- face with purple and coppery reflections which mal setae; prosternum distinctly convex, front are stronger on last three abdominal ventrites; margin deeply retracted, truncate; fifth abdominal vestiture white. Head with front flattened, ventrite broadly rounded at apex, without a trace broadly and shallowly depressed above, surface of a subapical plate or swelling. coarsely reticulate-punctate, setae dense, medium length, erect to suberect; clypeus broadly MATERIAL EXAMINED shallowly arcuate; antennae reaching scarcely be- Holotype (UNAM) labeled “MEXICO, Jalisco, yond mesocoxae, abruptly and broadly serrate Est. Biol. Chamela, 30/VI-2/VII-95, R. L.

38 Folia Entomol. Mex., 44 (supl. 1) (2005)

FIGURES 7-12. Fig. 7: Acmaeodera chamelensis Westcott, aedeagus. Fig. 8: Acmaeodera rodriguezae Westcott, aedeagus. Figs. 9-10: Mastoginius aliciae Westcott, 9) aedeagus, dorsal, 10) aedeagus, ventral. Figs. 11-12: Mastogenius cyanelytra Westcott, 11) aedeagus, dorsal, 12) aedeagus, ventral.

39 Westcott: New species of Acmaeodera Eschscholtz and Mastogenius Solier

Westcott/HOLOTYPE Acmaeodera rodriguezae cate, hind angles quadrate; disk strongly evenly Westcott” [red label]. convex, without depressions, surface moderately Biology. The specimen was collected as it flew and very densely punctate; vestiture forward-pro- along the side of and approximately seven feet jecting, recumbent. Elytra measured across hu- above the densely forested trail, “Buho”. meri equal in width to pronotum as measured Discussion. This buprestid is unlike any des- between basal angles, rather evenly convex, cribed species familiar to me, though there is a narrowly transversely depressed behind basal closely related undescribed species found farther margin, and with shallow median depression at south in Mexico. Superficially, A. rodriguezae apex; basal margin truncate, strongly thickened, resembles A. exilis Waterhouse, 1882 in elytral especially along middle, humeral angles sub- markings, yet it is but distantly related and easily quadrate and rounded; lateral margins parallel to separated by the ground color, much coarser pun- apical third then gradually converging to trun- ctures, and finely digitate setae on the venter. cately rounded apices; surface moderately den- Species in the unrelated A. pinalorum Knull, sely shallowly punctate, the punctures less ob- 1930 group, which are comparable in size, also vious, particularly towards sides, then on pro- bear finely digitate setae on the venter. notum, vestiture subrecumbent and directed api- Etymology. I dedicate this species, known only cally. Scutellum small, with a vague coppery re- by the unique holotype, to a person who was also flection, flattened, very smooth, broadly rounded one of a kind, Alicia Rodríguez Palafox. anteriorly, narrowly rounded posteriorly and slightly projecting behind basal margin of elytra. Mastogenius aliciae sp. nov. Underside shallowly densely punctate, vestiture (Figures 3, 4, 9, 10) recumbent to subrecumbent, some setae of last Holotype male: 2.88 mm long, 1.21 mm wide, three ventrites longer, suberect; prosternum with elongate-oval, evenly convex, moderately shining punctures somewhat confused, not as evident as black throughout except vague blue reflection on on abdomen, strongly convex on middle, each base of elytra, especially along basal margin, and side recessed below anterior pronotal angles thus tarsi varying from black (basal segments) to forming a narrow short groove, front margin brown; vestiture pale, moderately long, dense truncate along middle, not reaching pronotal an- above, moderately dense beneath. Head with gles at sides; abdomen shallowly convex, last front strongly evenly convex, surface densely, ventrite broadly subtruncate. shallowly, irregularly punctate, vestiture re- Allotype female: Length 3.05 mm, width 1.33 cumbent; front margin of clypeus broadly mm, differing from male as follows: color above shallowly emarginate; antennae reaching to just black with distinct blue reflections which are behind mesocoxal cavity, second and third seg- strongest basally and apically on elytra; under- ments subequal in size. Pronotum equal in width side black; tarsi pale brown; head with a small to elytra at middle, slightly wider than base of vague median circular depression on front; an- elytra; sides subparallel then abruptly convergent tennae reaching to procoxal cavity; pronotum apically; upper lateral margin fine, distinctly vi- with anterolateral “groove” indistinct; abdomen sible from above, ending near front margin; beneath strongly convex, last ventrite more coar- lower lateral margin fine, entire, essentially sely and distinctly punctate. straight, well separated from upper margin; ante- rior margin indistinctly lobed at middle, front an- MATERIAL EXAMINED gles strongly triangular; posterior margin trun- Holotype (UNAM) labeled “MEXICO, Jalisco,

40 Folia Entomol. Mex., 44 (supl. 1) (2005)

Est. Biol. Chamela, “Eje Central”, 2-VII-95, R. pronotum black with vague metallic copper and L. Westcott/HOLOTYPE Mastogenius aliciae blue reflections; elytra metallic dark blue; ventral Westcott” [red label]; allotype (EBCC) labeled surface and legs strongly shining black; vestiture “MEXICO, Jalisco, Chamela, FANM 587, 17- pale. Head with front parallel-sided, weakly con- III-1987, Coll. E. [sic] A. Noguera/Hosp. Mimo- vex, with a relatively wide deep groove extend- sa arenosa”; one female paratype from MEXI- ing from about middle to near level with upper CO, Jalisco, Est. Biol. Chamela, 4-VII-95, R. L. margin of eyes, discretely coarsely punctate; ves- Westcott (RLWE). titure short, forward-projecting, subrecumbent; Variation. The female paratype is 3.50 mm front margin of clypeus very shallowly emar- long, 1.56 mm wide. Blue reflections are stronger ginate; antennae reaching to beyond humeral um- on the head and pronotum, the median depression bone when laid alongside, second segment much on the frons is distinct, and the tarsi are colored more slender than any other. Pronotum distinctly like the holotype. I doubt that the frontal de- narrower than elytra, sides subparallel from base pression or tarsal coloration is sexual, the latter to about middle then strongly converging api- likely depending upon the age of a specimen at cally, upper lateral margin distinctly explanate to the time of collection. about middle, ending well back of front margin, Biology. The allotype was reared from Mimosa lower lateral margin fine entire and widely sepa- arenosa (Willdenow) Poiret branches girdled by rated from upper margin; anterior margin sub- Taricanus zaragozai Noguera and Chemsak, truncate on middle, front angles broadly triangu- 1993 (Cerambycidae) (F. Noguera, in litt.). lar; posterior margin truncate, hind angles qua- Discussion. This species is not like any other drate; disk with a shallow anterolateral de- that I have seen, though my familiarity with the pression, moderately, densely, shallowly puncta- genus does not extend outside Mexico and the te, vaguely rugose, vestiture short, longer than on U.S. It appears most closely related to M. head, forward-projecting, recumbent. Elytra robustus Schaeffer, 1905, and the male will key measured across humeri 1.16 X wider than pro- readily to that species in Bellamy (2002). The notum between basal angles, rather smooth and sexual dichromatism and the more coarsely punc- evenly convex, vaguely flattened apically, tate elytra, not to mention the disparate habitats narrowly transversely depressed immediately be- in which they occur, will serve to readily separate hind front margin, and with a broad shallow the two species. median subbasal sutural depression; front margin Etymology. It is with great pleasure, yet with truncate, humeral angles subquadrate; lateral immense sadness due to her recent passing, that margins subparallel, slightly sinuate at middle, I dedicate this species to Alicia Rodríguez Pala- gradually converging apically to subtruncate api- fox, who collected many specimens of Coleop- ces; surface moderately coarsely densely punc- tera in Mexico during her quest for Hymenop- tate, the punctures rather shallow and becoming tera, especially at Estación Biología Chamela. It coarser laterally, each bearing a minute white was my pleasure to have known her as a friend seta. Scutellum small, subtriangular, flattened, and colleague for 15 years. microsculptured. Underside discretely, modera- tely to densely punctate, the punctures medium Mastogenius cyanelytra sp. nov. size; setae short, white, subrecumbent, much lon- (Figures 5, 6, 11, 12) ger and suberect to erect apically on last visible Holotype male: 2.88 mm long, 1.08 mm wide, abdominal ventrite which is broadly truncate; elongate-oval, strongly evenly convex; head and prosternum without antennal groove, densely

41 Westcott: New species of Acmaeodera Eschscholtz and Mastogenius Solier punctured, front margin shallowly arcuately mm to 1.19 mm (average 1.15 mm) in males, emarginate, truncate on middle. 1.06 mm to 1.10 mm (average 1.08 mm) in Allotype female: Length 2.88 mm, width 1.08 females. mm, differing from male as follows: antennae ba- Biology. The high montane area where this rely attaining humeral angle of elytra when laid has been collected is forest predominantly alongside; pronotum almost as wide as elytra, consisting of several species of Quercus (oaks), more convex, notably so anterolaterally where at least one of which obviously serves as a host. sides converge more abruptly; elytra measured Most specimens were beaten from living, appa- across humeri 1.09 X wider than pronotum be- rently thriving trees; however, a few were beaten tween basal angles; abdomen beneath distinctly from a fallen dead tree with all the leaves brown. more convex, especially last visible ventrite The made no attempt to fly, but slowly which is slightly more broadly truncate. crawled on the beating sheet. Discussion. Mastogenius cyanelytra is clearly MATERIAL EXAMINED distinct from any of the mainland Mexican Holotype (UNAM) labeled “MEXICO, Méxi- species that I have seen, all of which are undes- co, 2800 m, Santa Catarina del Monte, ±12 km cribed and from very different habitats and hosts, (air) ESE Texcoco, 23.vii.1999, R. L. Westcott, and it is does not remotely resemble M. impressi- beating Quercus rugosa/HOLOTYPE Mastoge- pennis from Baja California Sur. It appears re- nius cyanelytra R. L. Westcott” (hand-printed lated to M. subcyaneus (LeConte), 1859, from red card). Allotype with same collection data. Pa- the U.S., which has also been taken from oaks, ratypes, all from Estado de México: 7 male, 11 among other hosts. From that species M. female, same data as holotype; 17 male, 7 fe- cyanelytra is readily distinguished by its dis- male, same data except 20-VI-2000, beating tinctly blue elytra which are more elongate and Quercus sp.; 1 male, 6 female, San Pablo Ixayoc, converge more strongly to the apex, by its more 19/28’, 98/47’, ±2450 m, mountains ESE Texco- distinct vestiture and, in the male, by the prono- co, 2-VII-2001, beating Quercus sp., A. Equihua tum being distinctly narrower than the elytra. and R. Westcott; 4 male, 2 female, km 41, hwy. Etymology. The species epithet is a noun in ap- Texcoco-Calpulapan, 2685 m, 19/30’43”, position to the genus, based on the Greek kyanos 98/52’40”, 3-VII-2001, beating oak, R. L. West- in reference to the dark blue elytra. cott; specimens deposited in BMNH, CEAM, CLBC, GHNC, LACM, NMPC, RLWE, TCMC, ACKNOWLEDGMENTS UNAM, WFBM. Special thanks to Richard Worth, Oregon De- Variation. Size is variable, the length of males partment of Agriculture, for taking microscopic ranging from 2.40 mm to 3.15 mm; of females, digital images of the Mastogenius spp. and the 2.01 mm to 3.12 mm. The groove on the frons aedeagus of A. rodriguezae; and to Christy exhibits some variation, it may more resemble a Brown and Kerri Schwarz, also of that depart- pit. Metallic reflections on the pronotum may be ment, for scanning and computer work to pro- indistinct, especially in females. Color of the ely- duce the files. Appreciation is extended to tra on a few specimens is indistinctly blue, being Armando Equihua and Jesús Romero, CEAM; blacker with blue, green, copper and violet Armando Burgos, UAEM; and Felipe A. reflections, which possibly are the result of con- Noguera, EBCC, for enabling my work in tact with fluids. Humeral elytral width/width Mexico and for camaraderie in the field. I wish between pronotal basal angles ranges from 1.12 also to acknowledge my deep appreciation to

42 Folia Entomol. Mex., 44 (supl. 1) (2005)

Alicia Rodríguez for cooking several fine meals taxonomía y biogeografía de artrópodos de México: hacia and for all the time spent with, and help from, her una síntesis de su conocimiento, Instituto de Biología, UNAM, México, D. F., xii + 660 pp. and her husband, Felipe A. Noguera, during my W ESTCOTT, R. L. 1998. Eight new species and one new sub- stays at Estación de Biología Chamela and field species of Acmaeodera (Coleoptera: Buprestidae) from Me- trips therefrom. Finally, I thank Ted MacRae, xico, with notes on two other species. Jewel Beetles 7:7-15, Wildwood, Missouri; and Gayle Nelson, Blue pl. A, figs. 1-6, pl. B, figs. 1-3. W ESTCOTT, R. L. 2002. Four new species of Acmaeodera Springs, Missouri, for reviewing the manuscript. Eschscholtz (Coleoptera: Buprestidae) from Mexico. Jewel Beetles 11:23-26 + pls. A 3, 4; B 1-3. LITERATURE CITED W ESTCOTT,R.L. AND F. A. NOGUERA. 1995. Six new species BELLAMY, C. L., 2002. The Mastogenius Solier, 1849 of of Buprestidae (Coleoptera) from Mexico. Folia Entomo- North America (Coleoptera: Buprestidae: : Ha- logica Mexicana 89:35-54 (1993). plostethini). Zootaxa 110:1-12. HESPENHEIDE, H. A. 1996. Chapter 26, Buprestidae (Co- leoptera), pp. 411-421. In: J. E. Llorente-Bousquets, A. N. Recibido: 27 de enero del 2004. García-Aldrete y E. González-Soriano (eds.). Biodiversidad, Aceptado: 2 de julio del 2004.

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