Crioprosopus Audinet-Serville

Eya, Bryan K., 2015, Revision of the Genus Crioprosopus Audinet-Serville, and description of three new genera of Trachyderini (Coleoptera: Cerambycidae: Cerambycinae), Zootaxa 3914 (4), pp. 351-405 : 376-377

Key to species of genus Crioprosopus Audinet-Serville

1. Elytra metallic green (or blue), or rusty red-brownish with metallic green-golden yellow............................. 2

- Elytra not metallic, black with yellow markings, yellowish with dark marking or entirely castaneous or brownish with no marking............................................................................................. 9

2. Pronotal disc densely punctate from apex to base with a glabrous band extending down the middle; antennae usually attaining or exceeding apex of elytra ( Fig. 1 ).................................................................. male, 3

- Pronotal disc glabrate; antennae usually much shorter, not attaining apex of elytra ( Fig. 2 ).................... female, 16

3. Elytra with surface glabrate.............................................................................. 4

- Elytra with surface rugose (or crinkled) from base to apex. Southwestern USA......................... rimosa (Buquet)

4. Pronotal disc convex without a broad impression in the middle of anterior half; scutellum triangular, as long as wide; smaller species (24–30 mm)................................................................................... 5

- Pronotal disc with a broad impression in the middle of anterior half ( Fig. 59 ); scutellum elongate, longer than wide ( Fig. 10 ); larger species (29–40 mm)..............................................................................6

5. Median line of pronotal disc without a transverse rhombiform dilation, elytra slightly tapered apically, finely, densely punctate, castaneous with iridescent greenish reflection; scutellum flat, base emarginate medially; femora castaneous to darker reddish brown. Venezuela ( Figs. 69–71 ).................................................... tricolor (Waterhouse) (male)

- Median line of pronotal disc with a transverse rhombiform dilation ( Fig. 56 ), elytra parallel-sided, disc polished with fine, vermiculated network, punctures sparse, very fine, nearly obsolete, surface iridescent yellowish metallic green to brownish with two distinct costae on each elytron, base wrinkled, transversely rugulose at sutural margin and near apex; scutellum longitudinally impressed medially; femora reddish-brown with apices darker. Honduras................ hondurensis sp. nov. (male)

6. Elytra metallic greenish (occasionally bluish), finely, densely punctate from base to apex; antennae longer or shorter than body....................................................................................................7

- Elytra metallic green-golden yellow, occasionally partly reddish-yellow translucent or iridescent to ferruginous (rusty redbrown), finely punctate on basal ½, punctures finer or nearly obsolete apically; antennae longer than body............... 8

7. Pronotum with lateral post-median subconical tubercles ( Fig. 57 ); antennae attaining apices of elytra or longer than body; femora reddish-castaneous. Southern Mexico........................................................ basileus Bates

- Pronotum transversely ovate, sides strongly arcuate without lateral tubercles or conical protuberances; antennae attaining ¾ length of the elytra; femora castaneous, gradually darker apically. Guatemala.......................... championi Bates

8. Pronotum with sides obtusely rounded or obtusely angulate; elytra parallel-sided, disc with basal ½ finely punctate; antennae with five apical joints angulate. Southeastern Mexico............................................. .. gaumeri Bates

- Pronotum with sides angulated; elytra tapered apically, disc polished with many scattered punctures visible in some light; antennae with five apical joints sharply edged and compressed. (Southeastern Mexico?), Guatemala........ iridescens White

9. Elytra and pronotum with dark or black maculae or fascia; scutellum triangular, as long as wide...................... 10

- Elytra and pronotum immaculate, concolorous, castaneous to darker reddish brown; scutellum triangular, flat, emarginate medially at base. Venezuela................................................................. .. tricolor (male)

10. Pronotal disc densely punctate from apex to base with 3–5 dark maculae; elytra densely punctate..................... 11

- Pronotal disc glabrous, shiny with black macula in the middle, and anterior margin black; elytra glabrate or finely punctate; antennae shorter than body (female)...................................................................... 13

11. Pronotum orange-yellowish with lateral tubercles robust or angulate, bent upward................................ 12

- Pronotum reddish-castaneous, inflated, sides obtusely angulate, confluently punctate, disc with two to five linearly impressed macula on posterior half ( Fig. 82 ); elytra flavo-testaceous, finely punctate; dark spots on elytra at anterior margin adjacent to scutellum, transverse maculae behind middle adjacent to suture, and irregular band or maculae apically. Eastern Mexico, Honduras ( Figs. 82–86 )......................................................... servillei Audinet-Serville ( divisus )

12. Elytra with a transverse orange band at basal 1/3, another at apical 1/3; head, antennae and legs black; antennal segments from 5th expanded externally, apices angulate. Southwestern Mexico to Costa Rica........................... nieti Chevrolat

- Elytra without transverse bands; head, antennae and legs reddish brown; apices of antennal segment not angulate. Guatemala......................................................................................... wappesi sp. nov.

13. Elytra with 2 or 3 longitudinal costae, surface finely separately punctate, middle with black corrugated transverse band widening towards outer edge and either discontinuous with apical black macula or merging with apical macula............... 14

- Elytra with disc glabrous, surface impunctate or if punctures present very minute, middle with continuous black transverse band............................................................................................... 15

14. Pronotum reddish or orange, disc with large black macula in middle; elytra straw-yellow, humeral angle with black spot and triangular macula adjacent to scutellum, apices with black, irregular, triangular macula. Eastern Mexico, Honduras ( Figs. 87–91 )......................................................................................... servillei

- Pronotum black, each side with large orange spot; elytra black with broad transverse pale yellow band just behind base, contracting and interrupted at suture, and behind middle with large pale yellow spot not touching margin and separated from suture. Mexico, Honduras, Nicaragua........................................................ .. saundersii White

15. Femora reddish with apices and base black, abdominal segments reddish. Costa Rica ( Figs. 4, 8 )........... amoenus Jordan

- Legs and undersurface black. Panama..................................................... chiriquiensis sp. nov.

16. Elytra with surface glabrate............................................................................. 17

- Elytra with surface rugose (or crinkled) from base to apex. Southwestern USA................................ rimosa

17. Pronotal disc black, dark brownish or reddish with black maculae.............................................. 18

- Pronotal disc entirely reddish, except front margin narrowly black; vertex with ferruginous vitta; under sides of head yellow-

ish. Honduras.......................................................................... basileus ( thoracica ) 18. Elytra brilliant metallic green or bluish.................................................................... 19

- Elytra not as brilliant, green-golden yellow, partly yellowish-translucent; thorax reddish, anterior margin of disc with two black maculae. Southeastern Mexico, (see: Bezark, 2014, id: 6136) …………………………………............................. gaumeri

19. Mesosternal intercoxal process subtuberculiform, scutellum triangular, as wide as long, pronotal disc and prosternum coarsely punctate, smaller species (25–29 mm). Venezuela ( Figs. 3 a, 7, 74–75)....................................... tricolor

- Mesosternal intercoxal process non-protuberant, arcuate at apex, scutellum usually longer than wide, pronotal disc and prosternum finely punctate, larger species (33–40 mm) ( Figs. 17 , 78–79 )..............................................20

20. Pronotum nearly glabrous, finely punctate, black or dark brownish with orange maculae on sides; sternites orange-reddish; mesosternum and all coxae darker. Southern Mexico.................................................... basileus

- Pronotum and sternites entirely black. Southern Mexico....................................... basileus ( nigricollis )

Figures

FIGURES 1 – 2. Crioprosopus basileus: 1: prothoracic sculpture (male), 1 a: disc densely punctate throughout; 2: prothoracic sculpture (female).

FIGURES 53 – 63. Dorsal and Lateral view of Callistochroma (cont.). 53, 54: Callistochroma viridipurpurea (female, Colomibia, Valle). Pronotal Structure of Crioprosopus (FIGURES 55 – 63). Crioprosopus basileus (male, Mex., Oaxaca, Ocotlan), 55: anterior dilation of median line; 56: transverse rhombiform dilation of median line; 57: subconical post-median tubercle (or lateral angle); 58: posterior ½ of median line with smooth impunctate area. Crioprosopus basileus (praestans) (male, Mex., Guerrero, Mochtitlan), 59: anterior ½ with broad impression in middle; 60: small pit near apex of lateral angle; 61: posterior ½ with oblique impression on either side of median line; 62: deep pit (or impression) on each side of median line between oblique impression (61) and lateral angle; 63: medial, short axial carina.

FIGURES 3 – 10. Crioprosopus Pro- and Mesosternal Intercoxal Process (3 – 6), and Scutellum (7 – 10): 3, 7: tricolor (female), 3 a: subtuberculiform mesosternal intercoxal process; 4, 8: amoenus (female), 4 a: prosternal intercoxal process arcuate; 5, 9: servillei (female), 5 a: mesosternal intercoxal process arcuate at apex; 6, 10: Crioprosopus sp. (male, Mex. Yucatan, Yokozonot), 6 a: mesosternal intercoxal process protuberant but not extending below 6 b, 6 b: plane of prosternal intercoxal process; 7, 8 and 9: short triangular scutellum, length scarcely longer than width; 10: elongated scutellum, longer than wide.

FIGURES 64 – 73. Morphological characteristics shared by Crioprosopus tricolor female (64 – 68), and male (69 – 73). 64: glabrate, coarsely punctured pronotal disc (female); 69: convex pronotal disc with anterior ½ lacking broad impression, and median line lacking transverse rhombiform dilation (male); 65, 70: triangular, flattened, arrowhead-shaped scutellum; 66, 71: very finely, densely punctate, and finely, rugulose elytral disc; 67, 72: deeply furrowed vertex; 68, 73: obovate, apically expanded palpi.

FIGURES 82 – 91. Morphological characteristics of Crioprosopus servillei (divisus) (male): 82 – 86; and C. servillei (female): 87 – 91. 82, 87: Sexual dimorphism of pronotal disc. Characteristics shared by C. servillei male and female. 83, 88: Elytral maculae around scutellum and humeri; 84, 89: Short, triangular scutellum; 85, 90: Fine punctures and vague costae on elytra; 86, 91: Wrinkles on elytral disc around scutellum.

FIGURES 11 – 18. Comparison of structural characters of Callistochroma and Crioprosopus: Callistochroma lampros: 11: prothoracic sculpture (male), 11 a: punctures confined to anterior angle; 12: prothoracic sculpture (female), 12 a: side of apical half of prothroax obtusely tuberculate; 13: prosternal and mesosternal intercoxal process, 13 a: mesosternal process obtusely tuberculate, extending below 13 b, 13 b: plane of prosternal intercoxal process; 14: elytral apices obliquely angulate, 14 a: outer armature. Crioprosopus basileus: 15: prothoracic sculpture (male), 15 a: disc densely punctate throughout; 16: prothoracic sculpture (female); 17: prosternal and mesosternal intercoxal process; 18: elytral apices rounded or subtruncate.

FIGURES 74 – 81. Morphological characteristics of females, Crioprosopus tricolor (74 – 77) compared to C. basileus (78 – 81). 74: punctures on pronotal disc coarse; 78: punctures on pronotal disc fine; 75: scutellum triangular, flat, emarginated medially at base; 79: scutellum elongate, impressed medially; 76: frons quadrate with median line deeply furrowed; 80: frons gently sloping from median line to antennal tubercles; 77: apical segments of labial and maxillary palpi obovate, expanded apically; 81: apical segments of labial and maxillary palpi oblong, narrowed apically.