Chilicola

Packer, Laurence & Dumesh, Sheila, 2019, Fifteen new species of Chilicola (Oroediscelis) (Hymenoptera: Colletidae: Xeromelissinae) with illustrated keys to the males and females of the subgenus, Zootaxa 4559 (1), pp. 1-56 : 41-49

Key to the Females of Chilicola (O roediscelis) (Females of C. ashei , C. fritzi , C. boharti and C. pustulata unknown)

1 Head approximately 1.5X as long as wide ( Fig. 129 ) malar space clearly longer than wide ( Fig. 131 )........................................................................................ C. calchaqui Packer and Dumesh n. sp. Head at most 1.35X as long as wide ( Fig. 130 ); malar space at most subequal in length to its width ( Fig. 132 )........... 2 2(1) Malar space at least as long as wide ( Fig. 133 ).............................................................. 3 Malar space at most ¾ as long as wide ( Fig. 134 )........................................................... 5 3(2) Mesoscutum with dense, long pubescence, longest hairs ~2.5 MOD ( Fig. 135 )................. C. espeleticola Michener Mesoscutum with sparse, short pubescence, longest hairs <1 MOD ( Fig. 136 )...................................... 4

4(3) Frontal and upper paraocular areas deeply and coarsely punctate ( Fig. 137 ); metapostnotum with sparse striae not reaching posterior edge ( Fig. 139 )............................................................. C. bigibbosa Michener Frontal and upper paraocular areas shallowly punctate ( Fig. 138 ); metapostnotum with dense striae throughout, most reaching posterior edge ( Fig. 140 ).................................................... C. roigi Packer and Dumesh n. sp.

5(2) Mesoscutum with dense, long pubescence, longest hairs ~2.5 MOD ( Fig. 141 ).................. C. deborahae Gonzalez Mesoscutum with sparse, scattered pubescence, longest hairs ~1 MOD ( Fig. 142 ).................................. 6

6(5) Lower paraocular area with distinct yellow-orange mark laterad of anterior tentoral pit ( Fig. 143 )............................................................................................. C. jaguense Packer and Dumesh n. sp. Lower paraocular area without distinct yellow mark (rarely with faint orange marking) ( Fig. 144 )..................... 7

7(6) Malar space 3/4 as long as wide ( Fig. 145 )................................................................. 8 Malar space at most 2/3 as long as wide ( Fig. 146 )......................................................... 10 8(7) Head 1.2X as long as wide; larger bees, head width 1.7 mm ( Fig. 147 ).............. C. goloboffi Packer and Dumesh n. sp. Head at least 1.25X as long as wide; smaller bees, head width <1.5 mm ( Fig. 148 )................................. 9

9(8) Metapostnotal striae uniform, fine but dense ( Fig. 149 ); apical impressed area of T1–T2 punctate medially ( Fig. 151 )............................................................................. C. capillitas Packer and Dumesh n. sp. Metapostnotal striae not uniform, somewhat coarse and sparse ( Fig. 150 ); apical impressed area of T1–T2 impunctate medially ( Fig. 152 )............................................................ C. carpenteri Packer and Dumesh n. sp.

10(7) Malar space approximately 2/3 as long as wide ( Fig. 153 ).................................................... 11 Malar space at most 1/2 as long as wide ( Fig. 154 )......................................................... 13

11(10) Metasomal terga triply punctate, with largest punctures shallow and crater-like, most evident laterally on T2–T4 among smaller punctures that are of two distinct sizes; T1 sparsely punctate ( Fig. 155 )........... C. luna Dumesh & Packer n. sp. Metasomal terga doubly punctate, or with punctures of only one size; T1 densely punctate ( Fig. 156 )................. 12

12(11) Metapostnotal striae short, not reaching posterior margin ( Fig. 157 ); T1 surface shiny to weakly imbricate, punctures distinct ( Fig. 159 )............................................................... C. huarpe Packer and Dumesh n. sp. Metapostnotal striae long, at least some reaching posterior margin ( Fig. 158 ); T1 strongly imbricate, dull, punctures sometimes indistinct among surface sculpture ( Fig. 160 ).................................. C. cuyense Dumesh and Packer n. sp.

13(10) Body length about 5 mm; F1 as long as F2 on mesal surface ( Fig. 161 ); frontal area shiny with fine punctures ( Fig. 163 )......................................................................................... C. simplex Michener Body length greater than 6 mm; F1 longer than F2 on mesal surface ( Fig. 162 ); frontal area dull, coarsely punctate or weakly rugose ( Fig. 164 ).................................................................................... 14 14(13) Mesoscutellum with punctures clearly of two different sizes, small punctures much more abundant than larger ones ( Fig. 16 5 )................................................................................ C. benoistiana Michener Mesoscutellum with punctures all quite large, rarely with a very few minute ones ( Fig. 166 )........................ 15

15(14) Mesoscutum anteriorly between notaulices with punctures of similar moderate size, without contrast to punctures on the rest of mesoscutum ( Fig. 167 )............................................................................... 16 Mesoscutum anteriorly between notaulices with dense minute punctures and scattered large ones, with distinct contrast to punctures on the rest of mesoscutum ( Fig. 168 )............................................................ 17

16(15) Body longer (~ 7 mm); mesepisternum with short white hairs ( Fig. 169 )......... C. abrebotellas Packer and Dumesh n. sp. Body shorter (<6 mm); mesepisternum with long white hairs ( Fig. 170 ).............. C. rozeni Packer and Dumesh n. sp.

Figures

FIGURES 129–130. Head, frontal view, to show relative length: width. 129. L~1.5XW (C. calchaqui holotype); 130. L<1.35W (C. carPenteri paratype).

FIGURES 131–132. Heads, side view to show relative length:width of malar space. 131. L clearly> W (C. calchaqui holotype); 132. L<W (C. carPenteri paratype).

FIGURES 133–134. Heads, side view to show relative length:width of malar space. 133. L~=W (C. roigi paratype); 134. L<0.75W (C. boharti paratype).

FIGURES 135–136. Head and mesosoma, side view, to show relative length of pubescence. 135. long (C. esPeleticola); 136. short (C. carPenteri paratype).

FIGURES 137–138. Heads anterodorsal view, to show punctures of frontal and upper paraocular areas: 137. deep and distinct (C. bigibbosa); 138. shallow, less distinct (C. roigi paratype).

FIGURES 139–140. Metapostnotum, dorsal view, to show relative lengths of striae: 139. not attaining posterior margin of dorsal surface of metapostnotum (C. bigibbosa); 140. most striae attaining posterior margin (C. roigi paratype).

FIGURES 141–142. Mesocutum, oblique lateral view to show relative density and length of hair. 141. long and dense (C. deborahae); 142. shorter and sparse (C. brooksi).

FIGURES 143–144. Face, anterior view to show: 143. presence (C. jaguense holotype) and 144. absence of yellow maculation (C. huarPe holotype).

FIGURES 145–146. Head, side view to show relative length: width of malar space. 145. L~0.75W (C. carPenteri paratype); 146. L<2/3W (C. brzoskai).

FIGURES 147–148. Head, frontal view, to show relative length to width. 147. L~1.2XW (C. goloboffi paratype); 148. L>1.25W (C. carPenteri paratype).

FIGURES 149–150. Metapostnotum, dorsal view, to show striae. 149. long, moderately dense and fine (C. caPillitas paratype); 150. short, relatively sparse and coarse (C. carPenteri paratype).

FIGURES 151–152. T1–T2 dorsal view to show: 151. presence (C. caPillitas paratype) and 152. absence of punctation on apical impressed area medially (C. carPenteri paratype).

FIGURES 153–154. Head side view to show relative length:width of malar space. 153. L~2/3W (C. cuyense holotype); 154. L~1/2W (C. rozeni paratype).

FIGURES 155–156. T1–T4 to show punctation: 155. T2 with large punctures as well as moderate and small ones, T1 with sparse punctation (C. luna holotype); 156. T2 lacking large punctures but with moderate and small punctures both present, T1 with dense punctation (C. huarPe holotype).

FIGURES 157–158. Metapostnotum, dorsal view, to show relative lengths of striae. 157. not attaining posterior margin (C. huarPe holotype); 158. at least some striate attaining posterior margin (C. cuyense holotype).

FIGURES 159–160. T1 to show relative strength of microsculpture and punctures. 159. microsculpture weak, surface shiny, punctures distinct (C. huarPe holotype); 160. microsculpture strong, surface dull, punctures often indistinct (C. cuyense holotype).

FIGURES 161–162. Basal flagellomeres to show ratio of lengths of F1 and F2. 161. F1 and F2 subequal (C. simPlex); 162. F1 distinctly longer than F2 (C. brzoskai).

FIGURES 163–164. Head, anterodorsal view to show frontal area surface sculpture. 163. shiny, punctures weak (C. simPlex); 164. dull, punctures strong and coarse (C. styliventris).

FIGURES 12–16. Chilicola ashei. 12. male lateral habitus (holotype); 13. male face (holotype); 14. male genital capsule (holotype); 15. male S7, dorsal view (holotype); 16. male S8, dorsal view (holotype).

FIGURES 165–166. Scutellum, dorsal view, to show punctation. 165. with numerous small punctures and sparse large punctures (C. benoistiana); 166. with few or no small punctures and dense large punctures (C. gibbosa).

FIGURES 167–168. Mesoscutum, dorsal view, to show punctation between notalices. 167. uniform in size, similar to those of adjacent region of mesoscutum (C. abrebotellas paratype); 168. with numerous small punctures and few larger ones, the latter more similar in size to those of adjacent region of mesoscutum (C. transversaria).

FIGURES 169–170. Mesepisternum, lateral view, to show length of hairs. 169. short (C. abrebotellas paratype); 170. long (C. rozeni paratype).