SPHINGIDAE OF THE UNITED STATES OF AMERICA

cautethia grotei

(morrison, 1874)

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Common Name(s): Grote’s Sphinx

Ecology and Life History:
This moth is present (usually in good numbers) year round in South Florida. Two peaks have been recorded by the authors, one in June and one in December. There are undoubtedly more. This moth is highly attracted to light, and can be quite common. Peak flight time seems to be between 2200-0300. Other methods of attraction have not been tested as this moth is so attracted to light. This is a small moth, both males and females are identical. Males tend to rest with the end of their abdomen slightly upturned whereas females have a rounder abdomen that is flat at rest. Eggs are deposited on the leaves of hostplant. Young larvae feed singly on the undersides of leaves. Older larvae do not wander far, and also feed on the undersides of leaves. New growth is the most appealing to this larva.


Habitat and Searching for Larvae:
In South Florida, a multitude of larvae have been found on Milkberry (Chiococca alba). They will also eat Snowberry (Symphoricarpos albus). Since neither hostplant is tall, larvae can be found virtually anywhere on it. Generally the larger, more sprawling new growth is most productive. Tropical hammocks in South Florida seem to be this moth’s favorite habitat. They are likely found in other habitats, particularly more northward in Florida. This moth is found year round in Florida and larvae are no different. Interestingly, while the larva is green, it does not fluoresce under UV light. The larvae contrast better under the light, and the head capsule and collar do fluoresce a bit.

Rearing Notes:
Our attempts at obtaining eggs using a flight cage and cut hostplant were inconclusive. Adults seem to need to be fed daily, and may lay better in a bag or styrofoam cooler. This larva does extremely well on Chiococca alba and the plant holds extremely well in or out of water. This larva does not seem to be highly susceptible to disease in captivity. They can tolerate moderate to high amounts of humidity fairly easily, and do not seem to perish easily. Due to the small nature of this species, rearing communally is simple and effective. Many larvae can be reared in a tupperware together with no ill-effects. Sleeving is likely an equally productive rearing method. Pupation for this species is easy using the paper towel method outlined in the general information tab. Soil is likely an equally appropriate technique.

Host plants:
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Picture
(C) Roy Morris
Picture
(C) Teá Montagna
Picture
Adult description: 
This is a very small sphingid, with forewings only 13-18mm in length (2). While there are other Cautethia spp. found in the US, this is the only one found in Florida and thus cannot be confused with the other species. The hindwings of this moth are orange in color. The forewings are variable but usually gray with some black lines. There may be a small white discal spot.

Larval description:
L4: The larva is plain green. The last abdominal segment is lined in white at the base. The horn is green and not distinctive. The larva is incredibly smooth.
L5:  The green, green-blue, or sometimes brown larva lacks abdominal stripes near the spiracles. The last abdominal segment before the caudal horn is bordered in white at the base. There are two dorsal stripes that lead from the head capsule to the horn. The spiracles are red in color. Generally the sides of the larva are lighter than the dorsal region. In the brown form, the entire larva is brown with barely visible markings. The horn matches the ground color of the larva and is pointed sharply backward.
The gallery to the left contains photos of Cautethia grotei adults. If you have a photo that you would like to submit to us, please contact us.

The gallery to the right contains photos of Cautethia grotei larval and pupal stages. If you have a photo that you would like to submit to us, please contact us.
(C) Roy Morris
(C) Roy Morris
(C) Teá Montagna
(C) Teá Montagna
(C) Teá Montagna
(C) Teá Montagna
(C) Teá Montagna
(C) Teá Montagna
(C) Teá Montagna
(C) Teá Montagna
(C) Teá Montagna
(C) Teá Montagna
L4 (C) Teá Montagna
L5 (C) Teá Montagna
L5 (C) Teá Montagna
L4 (C) Teá Montagna
L4 (C) Teá Montagna
L5 (C) Teá Montagna
L5 (C) Teá Montagna
L5 (C) Teá Montagna
L5 (C) Teá Montagna
L5 (C) Teá Montagna
L5 (C) Teá Montagna
L4 (C) Teá Montagna
L5 (C) Teá Montagna
L5 (C) Teá Montagna
Pupa (C) Teá Montagna
Pupa (C) Teá Montagna
Pupa (C) Teá Montagna

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Macroglossinae

Aellopos clavipes
Aellopos fadus
Aellopos tantalus
Aellopos titan
Amphion floridensis
Cautethia grotei
Callionima falcifera
Callionima parce
Darapsa choerilus
Darapsa myron
Darapsa versicolor
Deidemia inscriptum
Enyo lugubris
Enyo ocypete
Erinnyis alope
Erinnyis crameri
Erinnyis ello
Erinnyis guttularis
Erinnyis lassauxii
Erinnyis oenotrus
Erinnyis obscura
Eumorpha achemon
Eumorpha fasciatus
Eumorpha intermedia
Eumorpha labruscae
Eumorpha pandorus
Eumorpha satellitia
Eumorpha vitis
Eumorpha typhon
Eupyrrhoglossum sagra​
Hemaris diffinis
Hemaris gracilis
Hemaris thysbe
Hyles euphorbiae
Hyles gallii
Hyles lineata
Madoryx pseudothyreus
Pachylioides resumens
Pachylia ficus
Perigonia lusca
Phryxus caicus
Proserpinus flavofasciata
Proserpinus juanita
Proserpinus gaurae
Proserpinus lucidus
Pseudosphinx tetrio
Sphecodina abbottii
Xylophanes falco
Xylophanes pluto
Xylophanes libya
Xylophanes porcus
Xylophanes tersa

Smerinthinae

Protambulyx strigilis
Amorpha juglandis
Pachysphinx modesta
Pachysphinx occidentalis
Paonias astylus
Paonias excaecata
Paonias myops
Smerinthus cerisyi
Smerinthus jamaicensis

Sphinginae

Agrius cingulata
Ceratomia amyntor
Ceratomia catalpae
Ceratomia hageni
Ceratomia undulosa
Cocytius antaeus
Cocytius duponchel
Dolba hyloeus
Isoparce cupressi
Lapara bombycoides
Lapara coniferarum
Lintneria istar
Lintneria separatus
Lintneria eremitus
Manduca jasminearum
Manduca occulta
Manduca brontes cubensis
Manduca florestan
Manduca muscosa
Manduca quinquemaculatus
Manduca rustica
Manduca sexta
Neococytius cluentius
Paratrea plebeja
Sphinx canadensis
Sphinx chersis
Sphinx dollii
Sphinx drupiferarum
Sphinx frankii
Sphinx gordius
Sphinx kalmiae
Sphinx leucophaeata
Sphinx luscitiosa
Sphinx pinastri
Sphinx poecila 
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  • Home
  • Sphingidae Index
    • Macroglossinae >
      • Aellopos >
        • Aellopos clavipes
        • Aellopos fadus
        • Aellopos tantalus
        • Aellopos titan
      • Amphion >
        • Amphion floridensis
      • Callionima >
        • Callionima falcifera
        • Callionima parce
      • Cautethia >
        • Cautethia grotei
      • Darapsa >
        • Darapsa versicolor
        • Darapsa myron
        • Darapsa choerilus
      • Deidamia >
        • Deidamia inscriptum
      • Enyo >
        • Enyo lugubris
        • Enyo ocypete
      • Erinnyis >
        • Erinnyis alope
        • Erinnyis crameri
        • Erinnyis ello
        • Erinnyis guttularis
        • Erinnyis lassauxii
        • Erinnyis oenotrus
        • Erinnyis obscura
      • Eumorpha >
        • Eumorpha pandorus
        • Eumorpha achemon
        • Eumorpha fasciatus
        • Eumorpha satellitia
        • Eumorpha labruscae
        • Eumorpha intermedia
        • Eumorpha vitis
        • Eumorpha typhon
      • Eupyrrhoglossum >
        • Eupyrrhoglossum sagra
      • Hemaris >
        • Hemaris thysbe
        • Hemaris gracilis
        • Hemaris diffinis
        • Hemaris aethra
      • Hyles >
        • Hyles gallii
        • Hyles euphorbiae
        • Hyles lineata
      • Madoryx >
        • Madoryx pseudothyreus
      • Pachylioides >
        • Pachylioides resumens
      • Pachylia >
        • Pachylia ficus
      • Phryxus >
        • Phryxus caicus
      • Perigonia >
        • Perigonia lusca
      • Proserpinus >
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        • Proserpinus flavofasciata
        • Proserpinus gaurae
        • Proserpinus lucidus
        • Proserpinus terlooii
      • Pseudosphinx >
        • Pseudosphinx tetrio
      • Sphecodina >
        • Sphecodina abbottii
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        • Xylophanes falco
        • Xylophanes libya
        • Xylophanes pluto
        • Xylophanes porcus
        • Xylophanes tersa
    • Smerinthinae >
      • Amorpha >
        • Amorpha juglandis
      • Pachysphinx >
        • Pachysphinx modesta
        • Pachysphinx occidentalis
      • Paonias >
        • Paonias excaecata
        • Paonias myops
        • Paonias astylus
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        • Lapara bombycoides
      • Lintneria >
        • Lintneria eremitus
        • Lintneria istar
        • Lintneria separatus
      • Manduca >
        • Manduca brontes cubensis
        • Manduca jasminearum
        • Manduca muscosa
        • Manduca occulta
        • Manduca florestan
        • Manduca quinquemaculatus
        • Manduca rustica
        • Manduca sexta
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        • Neococytius cluentius
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        • Paratrea plebeja
      • Sphinx >
        • Sphinx canadensis
        • Sphinx chersis
        • Sphinx dollii
        • Sphinx drupiferarum
        • Sphinx franckii
        • Sphinx kalmiae
        • Sphinx leucophaeata
        • Sphinx luscitiosa
        • Sphinx poecila
        • Sphinx gordius
        • Sphinx pinastri
  • Final Instar Larva Key
  • Hostplant Index
  • Parasitoids and Predators
  • Range
  • General Information
  • Sources and Acknowledgements
  • Other Resources
    • Sphingidae Publication Library
  • Store
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