Cautethia

Miller, Jacqueline Y., Matthews, Deborah L. & Gott, Riley J., 2022, Three new species of Cautethia Grote (Lepidoptera: Sphingidae) from the Lucayan Archipelago and keys to West Indies species, Insecta Mundi 2022 (937), pp. 1-28 : 25

Key to known West Indies Cautethia females*

1. Medial area of forewing ( Fig. 1 ) distinctly darker than surrounding areas (Haxaire and Schmitt 2001, figure 1c)................................................. C. carsusi Haxaire and Schmit

— Medial area of forewing not distinctly darker than surrounding areas............................ 2

2(1). Appendix bursae present ( Fig. 68–73, 75, 76 ), signum absent.................................... 3

— Appendix bursae absent ( Fig. 74 ), a small signum present ( Fig. 74, 77 ).................................................................................... C. calezae Haxaire and Melichar

3(2). Lamina postvaginalis medially excavate ( Fig. 72 ).............................. C. exuma McCabe

— Lamina postvaginalis not medially excavate, straight ( Fig. 71 ), convex, or absent................... 4

4(3). Antrum distinctly constricted at middle, anterior part about half width of posterior part ( Fig. 76 ); lamina postvaginalis bearing a sclerotized cup-like receptacle ( Fig. 76, 78 )...................................................................... C. gossi Miller, Matthews, and Gott , new species

— Antrum not distinctly constricted at middle; lamina postvaginalis without sclerotized receptacle..... 5

5(4). Appendix bursae with elongate stalk-like connection to anterior part of corpus bursae; anterior end of antrum wider than posterior...................................... C. noctuiformis (Walker)

— Appendix bursae with short broad connection to lateral part of corpus bursae; anterior end of antrum narrower than posterior................................................................ 6

6(5). Antrum quadrate ( Fig. 75 ).................... C. simoni Miller, Matthews, and Gott , new species

— Antrum triangular ( Fig. 68, 70 )............................................................. 7

7(6). Lamina postvaginalis with central square sclerotized area ( Fig. 71 ); ductus bursae gradually tapering into corpus bursae, length about 3× maximum width of corpus bursae ( Fig. 68 )..... C. grotei Edwards

— Lamina postvaginalis sclerotized across entire width ( Fig. 70 ); ductus bursae distinct from corpus bursae, length about 4× maximum width of corpus bursae ( Fig. 70 ).................................................................. C. geraceorum Miller, Matthews, and Gott , new species

Figures

Figure 1. Generalized venation and wing patterns of Cautethia (based on C. grotei).

Figures 68–72. Female genitalia of Cautethia. 68) C. grotei, prep. DM 2212, MGCL 1076042, Central Abaco, 9–18.viii.1988. 69) C. exuma, prep. DM 2141, MGCL 233424, South Andros Island, 27.iii.2014. 70) C. geraceorum, new species, prep. DM 2210, San Salvador Island, 24.vii.2015. 71) C. grotei bahamensis, enlargement of lamina postvaginalis, prep. DM 2212. 72) C. exuma, enlargement of lamina postvaginalis, prep. DM 2141.

Figures 73–78. Female genitalia of Cautethia. 73) C. noctuiformis, prep. DM 2185, Virgin Islands, St. Croix, Kingshill, 6–15.vii.1967, E. L. Todd [USNM]. 74) C. calezae, prep. DM 2234, CMNH 63974, Puerto Rico, Isabella, Boswue Estatal de Guajataca, Montanas Aymamon, 18-25-06N, 66-57-55W, forest, 210m, 14-15.vi.1996, J. Rawlins, W. Zanol, R. Davidson, C. Young, M. Klinler, S. Thomson [CMNH]. 75) C. simoni, new species, prep. DM 2242, MGCL 247894, Mayaguana Island, 31.vii–1.viii.2014. 76) C. gossi, new species, prep. DM 2137, MGCL 242680, Great Inagua Island, 27.vii.2014. 77) C. calezae, enlargement of signum, prep. DM 2234. 78) C. gossi, new species, enlargement of receptacle on the lamina postvaginalis, prep. DM 2137.