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Created as per Topny Pittaway's website, May 18, 2016 Updated as per personal communication with Marketa Murray, Hawaii, December 2, 2021,; December 4, 2021 |
TAXONOMY:
Family: Sphingidae, Latreille, 1802 |
"The reference is: Kumashiro, B.R., Heu, R.A., Nishida, G.M. & Beardsley, J.W. 2001. New state records of immigrant insects in the Hawaiian Islands for the year 1999. Proc. Hawaiian Ent.Soc. 35: 170-184.
"H. rosetta was recorded from Manoa, Honolulu airport (in a cargo container from Taiwan), Oahu (Pawaa, larvae on Boerhaavia). Furthermore, a specimen was also recorded from Omao, Kauai on November 18 1998, then a new record for Kauai. This was followed by three more at Wailua Homesteads, Kauai in December 1998 and January 1999."
James Tuttle forwarded the images to Dan Rubinoff who "indicates that H. boerhaviae can be fairly common in Hawaii, but he wasn't at all confident that the image was boerhaviae." Based on this communication, I have added both Hippotion boerhaviae and Hippotion rosetta to my checklist for Hawaii.In early December 2021, I received three images below from Marketa Murray. I believe they are either Hippotion rosetta or Hippotion boerhaviae. It is difficult to distinguish between the two species even when there is a full view of the forewings. I will also post them on the boerhaviae page.
Hippotion rosetta/boerhaviae, Hawaii, December 2, 2021,
courtesy of Marketa Murray.
Hippotion rosetta/boerhaviae, Hawaii, December 2, 2021,
courtesy of Marketa Murray.
Hippotion rosetta/boerhaviae, Hawaii, December 2, 2021,
courtesy of Marketa Murray.
Tony Pittaway writes, "Very similar to Hippotion rafflesii rafflesii but distinguishable by paler upperside to the body and forewings and, in western populations at least, by the buff tornal area of the hindwing upperside. Also very similar to Hippotion rosetta, from which it can be distinguished by the more elongate and contrastingly patterned forewing uppersides, brighter pink hindwing uppersides and, with certainty, by the shape of the juxta. Underside of abdomen generally with a well-defined, narrow, pale, median stripe. Forewing upperside very similar to Hippotion rosetta but pattern brighter and more contrasting, appearing more striped.
"Hindwing upperside with a buff tornal patch; median area brighter pink than Hippotion rosetta."
The pupa is silvery brown, with a row of black spots along each side.
Larvae probably can occur in at least two forms: green and dark brown.
The following information is from Tony Pittaway's site:
Eggs are "bright green, slightly oval, shiny and smooth (Bell & Scott, 1937)."
Full-fed larvae are "55mm. long, width 8mm., horn 4mm. According to Bell & Scott (1937), in the final instar head round, clypeus equilaterally triangular, one-half the length of the head. False clypeus forming a fairly broad arch over apex of true clypeus, reaching to two-thirds length of head. Labrum one-half length of clypeus; ligula longer than labrum, its outline square; cutting-edge of mandible coarsely toothed. Surface of head dull and smooth. Body shaped as in others of the genus, with dull and smooth surface. Horn straight rather short and thin, tapering gently to a blunt tip, minutely tuberculate (Bell & Scott, 1937)."
"In colour, head greyish, with an olive-green tinge. Labrum glassy-white; ligula opaque-white; basal segment of antenna white, other segments reddish; mandible white, tip black. Body greyish tinged with olive-green; segments 6 to 12 with a number of short dark lines across each secondary ring, except on venter. There is a narrow blue dorsal stripe, and a narrow pinkish dorso-lateral stripe on segments 2 to 4 and from segment 11 to base of horn and thence to tip of anal flap. There is also a greyish subspiracular stripe, broad and well defined on 2 to 5, then narrower and ill-defined to 12. A dorso-lateral, rounded eye-spot is present on segment 5, its pupil with the lower half black, shading into rusty in the upper half, in which there is a line of coalescent white dote; the whole edged broadly above, narrowly below with yellow and ridged with black. There are smaller eye-spots on 6 to 11, decreasing in size backwards; pupils yellow shading to rusty above, ringed narrowly with black. All the eye-spots have a small crescent of pale blue above the upper edge. There is also a small round, subdorsal yellow spot mesially on 6 to 11, and a round blue supra-spiracular spot on the same segments. Horn with base pinkish, middle black, tip white; legs pink; venter sparsely dotted with white (Bell & Scott, 1937)."
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