red goldenrod aphid

(Uroleucon nigrotuberculatum)

               
Conservation Status

IUCN Red List

not listed

red goldenrod aphid

NatureServe

not listed

Minnesota

not listed

Occurrence

 

Flight/Season

 

Habitat/Hosts

Late goldenrod and Canada goldenrod

Size

Total Length: to 516 (4 to 8 mm)

Photo by Alfredo Colon
 
Identification

Red goldenrod aphid is a large, bright red aphid. It occurs in North America east of the Great Plains. It is found in large dense colonies mostly on late goldenrod but also on Canada goldenrod. Adults and nymphs feed on the juices of stems, leaves, and flowers.

Red goldenrod aphid is soft-bodied, somewhat pear-shaped, and to 516 (4 to 8 mm) long. Females are bright red, males are dirty greenish. There are small rounded bumps (tubercles) on the sides of at least some of the abdominal segments. There is a pair of elongated, finger-like processes (cornicles) near the end of the abdomen.

Asexual females are winged, sexual females are wingless. All males are winged. The forewings, when present, are membranous. They are not covered with a whitish powder. The radial sector vein (Rs) is present and the media vein (M) is branched. The hindwings are much smaller than the forewings.

The head is small. The antennae are long. The inner margin if the first antennal segment is not toothed. Segment 3 is shorter than segments 4 and 5 combined. The terminal segment of the snout (rostrum) is about equal to the length of the second segment of the last section (tarsus) of the hind leg.

 
Similar
Species

 

 
Larval Food

Juices of stems, leaves, and flowers of mostly late goldenrod but also Canada goldenrod

 
Adult Food

Juices of stems, leaves, and flowers of mostly late goldenrod but also Canada goldenrod

 
Life Cycle

They complete their life cycle entirely on their host plant.

 
Behavior

The wings are held vertical above the body when at rest.

 
Distribution Distribution Map  

Sources: 24, 29, 30.

 
Comments

 

 
Taxonomy

Order:

Hemiptera (true bugs, cicadas, hoppers, aphids and allies)

 

No Rank:

Sternorrhyncha

 

No Rank:

Aphidiformes

 

No Rank:

Aphidomorpha (aphids)

 

No Rank:

Aphidomorpha (aphids)

 

Superfamily:

Aphidoidea

 

Family:

Aphididae (aphids)

 

Subfamily:

Aphidinae

 

Tribe:

Macrosiphini

 

Genus:

Uroleucon

 
Synonyms

 

 
Common
Names

red goldenrod aphid

 

 

 

 

 

Glossary

Rostrum

The stiff, beak-like projection of the carapace or prolongation of the head of an insect, crustacean, or cetacean.

 

Tarsus

On insects, the last two to five subdivisions of the leg, attached to the tibia; the foot. On spiders, the last segment of the leg. Plural: tarsi.

 

Tubercle

On plants and animals: a small, rounded, raised projection on the surface. On slugs: raised areas of skin between grooves covering the body.

 

 

 

 

 

       
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Alfredo Colon
       
  red goldenrod aphid    
       
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  Uroleucon
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  Uroleucon  
 
About

Family: Aphididae
Subfamily: Aphidinae
Tribe: Macrosiphini

- Uroleucon (aphid)
- Uroleucon [Subgenus: Lambersius] (aphid)
- Uroleucon cirsii (Large Thistle Aphid)
- Uroleucon erigeronense (aphid)
- Uroleucon eupatoricolens (aphid)
- Uroleucon eupatorifoliae (aphid)
- Uroleucon nigrotuberculatum (aphid)
- Uroleucon obscuricaudatum (aphid)
- Uroleucon rurale (aphid)

 
     

 

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Alfredo Colon
8/21/2019

Location: Woodbury, MN

red goldenrod aphid


     
     
 
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Created: 11/4/2020

Last Updated:

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