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Key to the Cephaloleia known from La Selva
20. Dorsum bicolorous, elytra and pronotum not maculate or vittate: 30
Dorsum unicolorous or elytra vittate or maculate: 80
30. Elytra metallic blue: 40
Elytra not metallic blue: 60
40. Pronotum reddish: 50
Pronotum metallic blue: Cephaloleia metallescens Baly
50. Vertex of head with faint medial sulcus; frons not projecting; elytral rows of punctures obsolete after middle: Cephaloleia costaricensis Uhmann
Vertex of head without medial sulcus; frons projecting; elytral rows of punctures distinct after middle: Cephaloleia exigua Uhmann
60. Elytra with pale margins: Cephaloleia fulvolimbata Baly
Elytra without pale margins: 70
70. Apical margin of elytra serrate: Cephaloleia ruficollis Baly
Apical margin of elytra smooth: Cephaloleia atriceps Pic
80. Elytra maculate: 90
Elytra vittate or immaculate: 140
90. Vertex of head without sulcus or carina: 100
Vertex of head with sulcus or carina: 110
100. Elytra with humeral and subovate sutural maculae: Cephaloleia trimaculata Baly
Elytra with humeral, basal, and post medial maculae: Cephaloleia stevensi Baly
110. Vertex of head with carina: 120
Vertex of head with sulcus: 140
120. Elytra dark with four yellowish maculae: Cephaloleia ornatrix Donckier
Elytra yellowish with dark markings: Cephaloleia disjuncta Staines
130. Elytra black with red maculae: Cephaloleia fenestrata Weise
Elytra yellow with black maculae: Cephaloleia reventazonica Uhmann
140. Elytra vittate: 150
Elytra immaculate: 300
150. Elytral vitta only marginal: Cephaloleia fulvolimbata Baly
Elytral vitta not only marginal: 160
160. Vertex of head sulcate or carinate: 170
Vertex of head without sulcus or carina: Cephaloleia histrionica Baly
170. Vertex of head sulcate: 180
Vertex of head carinate: 230
180. Vertex of head with Y- or V-shaped sulcus: 190
Vertex of head with medial sulcus: 200
190. Vertex of head with Y-shaped sulcus: Cephaloleia consanguinea Baly
Vertex of head with V-shaped sulcus: Cephaloleia bella Baly
200. Some antennal segments triangular: 220
No antennal segment triangular: 210
210. Elytral vitta widest at base: Cephaloleia deficiens Baly
Elytral vitta widest at apex: Cephaloleia elegantula Baly
220. Head punctate near eyes; elytral margins pale: Cephaloleia quadrilineata Baly
Head punctate; elytral margins black: Cephaloleia vicina Baly
230. Vertex of head with three carinae: Cephaloleia nevermanni Uhmann
Vertex of head with medial carina: 240
240. Some antennal segments triangular: 250
No antennal segments triangular: 270
250. Vertex of head impunctate; antennal segments III-IV triangular: Cephaloleia heliconiae Uhmann
Vertex of head punctate; triangular antennal segments different: 260
260. Vertex of head striate-punctate; antennal segments III-IV triangular: Cephaloleia championi Baly
Vertex of head punctate; antennal segment III triangular: Cephaloleia belti Baly
270. Elytra with sutural and lateral vittae: 280
Elytra with sutural vitta: 290
280. Antennal segment I cylindrical: Cephaloleia semivittata Baly
Antennal segment I clavate: Cephaloleia trivittata Baly
290. Pronotum with black medial macula; sides of pronotum slightly canaliculate anteriorly; medial line of pronotum nearly impunctate: Cephaloleia suturalis Baly
Pronotum without black medial macula; sides of pronotum not canaliculate anteriorly; disc uniformly punctate: Cephaloleia dorsalis Baly
300. Dorsum black: Cephaloleia tenella Baly
Dorsum reddish-brown or brown: 310
310. Vertex of head with carina or sulcus: 320
Vertex of head without carina or sulcus: 370
320. Vertex of head with carina: 330
Vertex of head with sulcus: 340
330. Anterior angles of pronotum truncate: Cephaloleia dilaticollis Baly
Anterior angles of pronotum rounded: Cephaloleia mauliki Uhmann
340. Vertex of head impunctate: 350
Vertex of head punctate: 360
350. Sides of pronotum canaliculate; antennal segments V-X transverse: Cephaloleia flava Uhmann
Sides of pronotum not canaliculate; antennal segments IV-X transverse: Cephaloleia nigricornis (Fab.)
360. Pronotum with basal impression on each side: Cephaloleia sallei Baly
Pronotum without basal impression: 365
365. Scutellum pentagonal: Cephaloleia distincta Baly
Scutellum triangular: Cephaloleia placida Baly
370. Vertex of head impunctate: Cephaloleia erichsonii Baly
Vertex of head punctate: 380
380. Body rectangular in outline: Cephaloleia aequilata Uhmann
Body not rectangular in outline: 390
390. Antennal segment I subequal in length to III, segments IV-X cylindrical: Cephaloleia congener Baly
Antennal segment I not subequal in length to III, segments IV-X
transverse:
Cephaloleia puncticollis Baly
Page authors:
C. L. Staines, 3302 Decker Place, Edgewater MD 21037. Staines.Charles@NMNH.SI.EDU
John T. Longino, The Evergreen State College, Olympia WA 98505 USA. longinoj@evergreen.edu