lilypad clubtail

(Arigomphus furcifer)

               
Conservation Status

IUCN Red List

not yet assessed

lilypad clubtail

NatureServe

N5 - Secure

SNR - Unranked

Minnesota

not listed

Occurrence

Uncommon

Flight/Season

Late May to early August

Habitat

Marshy ponds, lakes, and slow streams with submerged vegetation and brushy shores

Size

Total Length: about 2

 

Identification

This is an early season, medium-sized, pond clubtail. It is found from Maine and Virginia to Minnesota. Its range includes most of Wisconsin but barely makes it across the border to Minnesota.

The thorax of the male is pale grayish-green with black markings including two thin upper (dorsal) stripes, a broad shoulder stripe, and a side (lateral) stripe arches around to join the middorsal stripe at the end. The female thorax is yellowish but is otherwise similar.

The abdomen is slender and black with yellow markings. The upper (dorsal) surface or abdominal segments 1 through 7 have narrow, elongated, lance-shaped spots. Segment 8 sometimes has a sort yellow streak, segment 9 is unmarked, and segment 10 is mostly yellow on top. Segments 8 and 9 also have bright orangish-brown patches on the sides. On the male the end of the abdomen is only slightly expanded into a “club” that is widest at segment 8. The claspers at the end of the abdomen point inward and are often yellow. On the female the abdomen is tapered from segment 7 to a very narrow segment 10.

The head is small. The large compound eyes are azure blue. They do not meet at the top of the head. The area behind the compound eyes at the top of the head (occiput) is straight across or only slightly convex.

The legs are black.

The wings are clear except for dark stigmas. The wing triangle, a section of intersecting veins about 20% of the way from the base to the wingtip, is about the same size in the forewing and the hindwing.

 
Similar
Species

Horned clubtail (Arigomphus cornutus) has a broader abdomen with wider dorsal spots, including a dorsal spot on segment 8. The occiput is convex and very high, especially so in the female.


Larval Food

 

 
Adult Food

 

 
Life Cycle

After mating the females deposits eggs by flying close to the water surface and tapping the tip of her abdomen into water. After the eggs hatch the young (naiads) live in submerged vegetation. When they mature they crawl onto a lily pad or partly out of the water on a vegetative stem to emerge as adults.

 
Behavior

It often perches on lilypads, hence the common name, but also on other floating vegetation, small trees, and sometimes the ground.


Distribution Distribution Map  

Sources: 7, 17, 18, 29, 72.


Comments

 


Taxonomy

Order:

Odonata (dragonflies and damselflies)

 

Suborder:

Epiprocta

 

Infraorder:

Anisoptera (dragonflies)

 

Superfamily:

Aeshnoidea

 

Family:

Gomphidae (clubtails)

 
Synonyms

Gomphus furcifer

 
Common
Names

lilypad clubtail


 

 

 

 

 

 

Glossary

naiad

The aquatic larval form (nymph) of a dragonfly, mayfly, or stonefly.

 

occiput

The back of the head. In Odonata, the upper part of the head behind the eyes.

 

stigma

In plants, the portion of the female part of the flower that is receptive to pollen. In Lepidoptera, an area of specialized scent scales on the forewing of some skippers, hairstreaks, and moths. In Odonata, a thickened, dark or opaque cell near the tip of the wing on the leading edge.

 

 

 

 

 

       

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  Arigomphus furcifer pseudopupils 21 June 2014 IMGP4900.mov
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Published on Jun 22, 2014

Arigomphus furcifer pseudopupils 21 June 2014 IMGP4900.mov

 
     

 

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