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PROC. ENTOMOL. SOC. WASH. 86(3), 1984, pp. 614-618 A NEW CAUTETHIA FROM THE BAHAMAS (LEPIDOPTERA: SPHINGIDAE) Tim L. McCabe New York State Museum, Cultural Education Center, Albany, New York 1 2230. Abstract. — Cautethia exuma n.sp. is described and illustrated. It is closely related to C. grotei Henry Edwards. The caterpillar is described and illustrated. The known host plant is Erithalis fruticosa (Linnaeus) (Rubiaceae). When Grote (1867) proposed Cautethia as a replacement name for Oenasanda Walker (1856b) (preoccupied by Oenasanda Walker, 1856a) he included only one species from Cuba, which he identified as C noctuiformis Walker (1856b). Henry Edwards (1882) pointed out that the Cautethia species that Grote had from Cuba was actually C. grotei Henry Edwards. Jordan (1940) also made note of the misidentified Cuban species when he described two new races of C grotei from the Cayman Islands. The genus Cautethia includes six species of small-sized moths. Cautethia grotei occurs in Cuba, the Cayman Islands, and the Bahamas. Cautethia noctuiformis is found in Puerto Rico, the Virgin Islands, and a few of the Lesser Antilles, and Cary (197 1) recently described a race from Antigua (Fig. 2). The remaining species of Cautethia are: C spuria Boisduval (1875) (Mexico) (male genitalia figured in Hodges, 1 97 1 ), C. simitia Schaus (1932) (Columbia) and C. yucatana Clark (1919) (Mexico). The species described herein is, at present, known only from Great Exuma in the Bahamas. Cautethia exuma McCabe, New Species Adult.— Wingspan 27-32 mm; forewing light-gray irrorated with dark gray or black scales; AM line, when traceable, strongly angled at cubitus, then directed basally to anal vein, then even more steeply angled basally to inner margin; reniform diffuse, with white scaling proximally and diffuse black patch distally; PM double and shallowly scalloped on veins, slightly darker in anal area; terminal line diffuse; forewing ventrally uniform gray; hindwing yellow brown in basal ^ths and brownish-black in distal %Xhs; hindwing ventrally with basal yellow-brown restricted to base of anal area. Thorax and abdomen same shade of light gray as forewing; abdomen with weak tufts on abdominal segments 2, 3, 4, & 5. Male and female similar. Male genitalia (Fig. 1 1). Gnathos straight, broad, and heavily chitinized at apex; uncus large, straight and blunt tipped; valves broad and upturned, with undiffer-entiated cucullus; process present at base of valve, V3 length of valve; aedeagus (Fig. 1 2) with simple vesica marked by right-angle bend. Female genitalia (Fig. 1 5). Bursa copulatrix very long-stalked and bulbous at J

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A new Cautethia from the Bahamas (Lepitoptera: Sphingidae)

T L Mccabe
Proceedings of the Entomological Society of Washington 86: 614-618 (1984)

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