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Family Coreidae - Leaf-footed Bugs

bug from neighbor's tomatoes - Leptoglossus Unknown 'Bug' Leaf-footed Bug - Leptoglossus oppositus Mozena obtusa? - Mozena obtusa What type of Leaf-footed Bug? - Acanthocephala femorata Green bodied bug nymph - Anasa Acanthocephala terminalis? - Acanthocephala terminalis Acanthocephala egg
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hemiptera (True Bugs, Cicadas, Hoppers, Aphids and Allies)
Suborder Heteroptera (True Bugs)
Infraorder Pentatomomorpha
Superfamily Coreoidea (Leatherbugs)
Family Coreidae (Leaf-footed Bugs)
Other Common Names
Squash Bugs, Coreids
Synonyms and other taxonomic changes
Classification and nomenclature in the Guide follows(1)
Explanation of Names
Coreidae Leach 1815
from Coreus
88 spp. in 33 genera north of Mexico(2), just over 1000 spp. in 165 genera in the New World(3), ~1,900 spp. in ~270 genera worldwide(4)
Overview of our fauna
* –taxa not yet in the guide (genera linked to images from other sites); classification adapted from(3)
Family COREIDAE Leach 1815
Subfamily Coreinae Leach 1815
Tribe Acanthocephalini Stål 1870
Genera Acanthocephala Laporte 1833

Tribe Acanthocerini Bergroth 1913
Genera Acanthocerus Palisot 1818, Euthochtha Mayr 1865, Sagotylus Mayr 1865
Acanthocerus  Euthochtha  Sagotylus 
Tribe Anisoscelini Laporte 1832
Genera Anisoscelis Latreille 1829, Chondrocera Laporte 1832, Leptoglossus Guérin-Méneville 1831, Narnia Stål 1862, Phthiacnemia Brailovsky 2009
Anisoscelis  Chondrocera  Leptoglossus  Narnia  Phthiacnemia 
Tribe Chariesterini Stål 1867
Genera Chariesterus Laporte 1833

Tribe Chelinideini Blatchley 1926
Genera Chelinidea Uhler 1863

Tribe Coreini Leach 1815
Genera Althos Kirkaldy 1904, Anasa Amyot and Serville 1843, Catorhintha Stål 1859, Centrocoris Kolenati 1845, Cimolus Stål 1862, Hypselonotus Hahn 1833, Madura Stål 1860, Namacus Amyot and Serville 1843, Nisoscolopocerus Barber 1928, Scolopocerus Uhler 1875, Sethenira Spinola 1837, Vazquezitocoris Brailovsky 1990, Villasitocoris Brailovsky 1990, Zicca Amyot & Serville 1843
Althos  Anasa  Catorhintha Centrocoris  Cimolus  Hypselonotus  Madura  Namacus Nisoscolopocerus  Scolopocerus  Sethenira  Vazquezitocoris  Villasticoris  Zicca 
Tribe Discogastrini Stål 1867
Genera Savius Stål 1862

Tribe Nematopini Amyot and Serville 1843
Genera Mamurius Stål 1862, Mozena Amyot and Serville 1843, Piezogaster Amyot and Serville 1843, Thasus Stål 1865
Mamurius  Mozena  Piezogaster  Thasus 
Tribe Spartocerini Amyot and Serville 1843
Genera Eubule Stål 1868, Sephina Amyot & Serville 1843, Spartocera Laporte 1833
Eubule Sephina  Spartocera 
Subfamily Meropachyinae Stål 1867
Tribe Merocorini Stål 1870
Genera Merocoris Perty 1833

Subfamily Pseudophloeinae Stål 1867
Genera Ceraleptus Costa 1847, Coriomeris Westwood 1842
Ceraleptus  Coriomeris 
7-40 mm, typically 10-20 mm; NA members up to 30 mm
Medium to large, often dark-colored bugs with many parallel veins on front wing membrane (Alydidae have similar venation but their heads are nearly as wide and long as pronotum)
Family characteristics:
antennae 4-segmented
ocelli present
beak 4-segmented
front wing membrane with many veins (visible at rest)
tarsi 3-segmented
abdominal margin in many species raised--the folded wings lying in the depression formed by the margin(2)
scent glands on the thorax between middle and hind coxae
head narrower than and often shorter than the pronotum
hind tibiae in some have leaf-like expansions (e.g., Acanthocephala, Leptoglossus); in some (e.g., Chariesterus) antennal segments are similarly expanded
Some images showing anatomic details of the family in Leptoglossus oppositus:

Typical body forms:

Key to subfamilies/tribes in(5)
Keys to FL species in(6)
Widely distributed but most diverse in the South and Southwest
all are plant feeders(2)
Life Cycle
Eggs are typically cemented beneath foliage of host. One or more generations per year. Adults sometimes overwinter.
When handled or molested, often give off an unpleasant odor, a defensive secretion of the thoracic glands(7); active compounds -- mostly straight-chain aldehydes and ketones, of which trans-2-hexenal is perhaps one of the most common -- quite similar to those of the stink bugs, Pentatomidae(8)
A few species are agricultural pests
Often parasitized by tachinids (examples)
Internet References
Works Cited
1.Livermore L.J.R., Lemaître V.A., Dolling W.R., Webb M.D. Coreoidea species file online. Version 5.0
2.American Insects: A Handbook of the Insects of America North of Mexico
Ross H. Arnett. 2000. CRC Press.
3.Catalog of the Coreidae, or Leaf-Footed Bugs, of the New World
Richard Packauskas. 2010. Fort Hays State University.
4.Biodiversity of the Heteroptera
Henry T.J. 2009. In: Foottit R.G., Adler P.H., eds. Insect biodiversity: Science and society. Oxford: Wiley-Blackwell: 223-263.
5.Key to the subfamilies and tribes of the New World Coreidae (Hemiptera) with a checklist of published keys to genera and species
Packauskas R.J. 1994. Proc. Ent. Soc. Wash. 96: 44-53.
6.Coreidae of Florida (Hemiptera, Heteroptera).
Baranowski, R.M. and J.A. Slater. 1986. Arthropods of Florida and Neighboring Land Areas. Vol. 12, no. 630. viii + 82 pp.
7.How to Know the Insects
Roger G. Bland, H.E. Jaques. 1978. WCB/McGraw-Hill.
8.For Love of Insects
Thomas Eisner. 2003. Belknap Press.