Information on Species of Triatomine Bugs in the United States

Key points

Information on Species of Triatomine Bugs in the United States

Information on Species of Triatomine Bugs in the United States

Paratriatoma hirsuta
Paratriatoma hirsuta size

Key characteristics:

  1. Long, dark hairs covering entire body
  2. Head short, strongly convex above
  3. Overall color various shades of brown, body shiny
  4. Legs short with long hairs
Paratriatoma hirsuta map
California, Nevada, New Mexico

Key characteristics:

  1. Yellow markings extending horizontally on abdominal segments
  2. Head long, flattened on top
  3. Mouthparts relatively hairless with longer hairs at tip
  4. Pronotum uniformly black
  5. Tip of scutellum long, narrow
  6. Legs slender, long
Triatoma gerstaeckeri
Triatoma gerstaeckeri size
Triatoma gerstaeckeri head
Triatoma gerstaeckeri head
Triatoma gerstaeckeri thorax
Triatoma gerstaeckeri thorax
Triatoma gerstaeckeri map
New Mexico, Texas

Triatoma incrassata
Triatoma incrassata size

Key characteristics:

  1. Abdomen entirely yellow underneath with distinct yellow margin around edge on top
  2. Head elevated above eyes in lateral view
  3. Mouthparts with short hairs, longer hairs on terminal segment
  4. Pronotum uniformly dark
  5. Tip of scutellum short, broad
Triatoma incrassata map
Arizona

Key characteristics:

  1. Reddish-orange markings extending horizontally on abdominal segments confined to ~1/5 of each segment
  2. Pronotum uniformly black
  3. Wings without prominent, light-colored markings
Triatoma indictiva
Triatoma indictiva size
Triatoma indictiva thorax
Triatoma indictiva thorax
Triatoma indictiva head
Triatoma indictiva head
Triatoma indictiva
Arizona, New Mexico, Texas

Key characteristics:

  1. Dark hairs covering entire body
  2. Orange-yellow markings extending horizontally on abdominal segments
  3. Mouthparts with hairs on all segments, denser on terminal segments
  4. Pronotum with orange-yellow lateral markings
  5. Legs covered with hair
Triatoma lecticularia
Triatoma lecticularia thorax
Triatoma lecticularia size
Triatoma lecticularia size
Triatoma lecticularia head
Triatoma lecticularia head
Triatoma lecticularia map
Florida, Georgia, Missouri, New Mexico, Oklahoma, Tennessee, Texas, South Carolina

Key characteristics:

  1. Body shiny, abdomen longitudinally flattened underneath
  2. Black, irregularly-shaped band on each abdominal segment surrounded by yellow markings
  3. Mouthparts with hairs on all segments, denser at junction of terminal 2 segments forming a brushlike structure
  4. Wings with distinct orange to pale yellow markings on basal half
  5. Legs short, stout
Triatoma neotomae thorax
Triatoma neotomae thorax
Triatoma neotomae size
Triatoma neotomae size
Triatoma neotomae head
Triatoma neotomae head
Triatoma neotomae map
Texas

Key Characteristics

  1. Overall dark brown to black
  2. Mouthparts with short hairs; becoming longer at tip
  3. Pronotum uniformly light brown to black
  4. Tip of scutellum short, broad
  5. Legs short, stout
Triatoma protracta size
Triatoma protracta size
Triatoma protracta head
Triatoma protracta head
Triatoma protracta thorax
Triatoma protracta thorax
Triatoma protracta map
Arizona, California, Colorado, Nevada, New Mexico, Texas, Utah

Triatoma recurva
Triatoma recurva size

Key Characteristics

  1. Yellow-orange margin around outer edge of abdomen; abdomen wide often strongly curved up at edges
  2. Mouthparts relatively hairless with longer hairs at tip
  3. Pronotum uniformly dark colored
  4. Tip of scutellum long, narrow
  5. Wings uniformly dark colored
  6. Legs long, slender
Triatoma recurva map
Arizona

Key Characteristics

  1. Pale margin around outer edge of abdomen, abdomen flattened longitudinally underneath
  2. 1st antennal segment reaches or surpasses tip of head
  3. Mouthparts with long hairs at tip
  4. Overall color light reddish brown to dark brown
  5. Pronotum dark with light areas on sides
Triatoma rubida
Triatoma rubida size
Triatoma rubida thorax
Triatoma rubida thorax
Triatoma rubida head
Triatoma rubida head
Triatoma rubida map
Arizona, California, New Mexico, Texas

Key Characteristics

  1. Orange-red margin on outer edge of abdomen, extending horizontally between segments
  2. 1st antennal segment surpasses tip of head
  3. Short hairs on mouthparts becoming progressively longer towards tip
  4. Scutellum broad, triangular to tip
  5. Orange-red margin on sides of pronotum
  6. Abdomen flattened longitudinally underneath
Triatoma rubrofasciata size
Triatoma rubrofasciata size
Triatoma rubrofasciata head
Triatoma rubrofasciata head
Triatoma rubrofasciata thorax
Triatoma rubrofasciata thorax
Triatoma rubrofasciata map
Florida, Hawaii

Key Characteristics

  1. Orange-red to yellowish horizontal markings covering ≥¼ of abdominal segment
  2. Mouthparts relatively hairless
  3. Pronotum black with orange-red to yellowish side and top margins
  4. Tip of scutellum long, narrow
  5. Distinctive orange-red to yellowish markings on wings
Triatoma sanguisuga
Triatoma sanguisuga size
Triatoma sanguisuga
Triatoma sanguisuga head
Triatoma sanguisuga map
Florida, Texas, Kansas, Kentucky, Louisiana, Alabama, Arkansas, North Carolina, Ohio, Oklahoma, New Jersey, Maryland, District of Columbia, Delaware, Mississippi, Missouri, Illinois, Indiana, Tennessee, West Virginia, Pennsylvania, Georgia, South Carolina, Virginia