Know more

Our use of cookies

Cookies are a set of data stored on a user’s device when the user browses a web site. The data is in a file containing an ID number, the name of the server which deposited it and, in some cases, an expiry date. We use cookies to record information about your visit, language of preference, and other parameters on the site in order to optimise your next visit and make the site even more useful to you.

To improve your experience, we use cookies to store certain browsing information and provide secure navigation, and to collect statistics with a view to improve the site’s features. For a complete list of the cookies we use, download “Ghostery”, a free plug-in for browsers which can detect, and, in some cases, block cookies.

Ghostery is available here for free: https://www.ghostery.com/fr/products/

You can also visit the CNIL web site for instructions on how to configure your browser to manage cookie storage on your device.

In the case of third-party advertising cookies, you can also visit the following site: http://www.youronlinechoices.com/fr/controler-ses-cookies/, offered by digital advertising professionals within the European Digital Advertising Alliance (EDAA). From the site, you can deny or accept the cookies used by advertising professionals who are members.

It is also possible to block certain third-party cookies directly via publishers:

Cookie type

Means of blocking

Analytical and performance cookies

Realytics
Google Analytics
Spoteffects
Optimizely

Targeted advertising cookies

DoubleClick
Mediarithmics

The following types of cookies may be used on our websites:

Mandatory cookies

Functional cookies

Social media and advertising cookies

These cookies are needed to ensure the proper functioning of the site and cannot be disabled. They help ensure a secure connection and the basic availability of our website.

These cookies allow us to analyse site use in order to measure and optimise performance. They allow us to store your sign-in information and display the different components of our website in a more coherent way.

These cookies are used by advertising agencies such as Google and by social media sites such as LinkedIn and Facebook. Among other things, they allow pages to be shared on social media, the posting of comments, and the publication (on our site or elsewhere) of ads that reflect your centres of interest.

Our EZPublish content management system (CMS) uses CAS and PHP session cookies and the New Relic cookie for monitoring purposes (IP, response times).

These cookies are deleted at the end of the browsing session (when you log off or close your browser window)

Our EZPublish content management system (CMS) uses the XiTi cookie to measure traffic. Our service provider is AT Internet. This company stores data (IPs, date and time of access, length of the visit and pages viewed) for six months.

Our EZPublish content management system (CMS) does not use this type of cookie.

For more information about the cookies we use, contact INRA’s Data Protection Officer by email at cil-dpo@inra.fr or by post at:

INRA
24, chemin de Borde Rouge –Auzeville – CS52627
31326 Castanet Tolosan CEDEX - France

Dernière mise à jour : Mai 2018

Menu Logo Principal

Encyclop'Aphid : l'encyclopédie des pucerons

Encyclop'APHID

Identification key for frequent aphids on Asteraceae

Identification based on morphological criteria, click on the name to access identification file

Below you will find frequent aphids for the different crops of Asteraceae.

Sunflower

1

On roots, large bulky aphid, whitish and elongate. Apterouswith antennae noticeably equal to half the body and legs very long (particularly hind-leg tarsi  ), cornicles absent or reduced to a pore; alate with broad pigmented stripes on abdomen
Trama spp see also Trama (Neotrama) caudata

Aphid on aerial parts

——> 2

2

Apterous yellowish green glossy, cornicles short, conical, cauda short; colony with high-density population hidden in severely crinkled young leaves;  alate with dark dorsal patch, cornicles short and conical, cauda short
Brachycaudus helichrysi

Larger species with cornicles medium length to long

——> 3

3

Apterous with cornicles slightly swollen, green to yellowish with pinkish individuals within the colony, which are the future alates (nymphs), cornicles medium-length, slightly swollen on inner side and darkened at tip;  alate with dorsal patch jagged and perforated, with contour uneven, cornicles uniformly pigmented and slightly swollen, cauda pigmented and digitate

Myzus persicae

Large sized species, cornicles long and cylindrical, alate without pigmentation or at most with pigmented stripes

——> 4

4

Apterous green or pink, elongate, large-sized, antennae same length as body and slightly pigmented, cornicles long, cylindrical and darkening towards the tip, cauda long and light-coloured;  alate without abdominal pigmentation, antennae and cornicles darkening towards the tip, cauda long and light-coloured
Macrosiphum euphorbiae

Apterous green to yellowish green, glossy, piriform, antennae long, dark green spots at base of cornicles, cornicles light-coloured and straight with an apical flange darker at tip, cauda digitate; alate with stripes more or less dark on abdomen 
Aulacorthum solani

Lettuce, chicory and endive

1

Aphid on roots, devoid of cornicles or bearing cornicles reduced to a pore, antennae with processus terminalis very short

——> 2

Aphid on aerial parts, with cornicles

——> 3 

2

Apterous jgreenish to greyish yellow, producing a waxy secretion in the form of fine woolly filaments which finally cover the whole insect, antennae very short, legs short and squat; alate greenish to greyish yellow, producing a waxy secretion in the form of fine woolly filaments which finally cover the whole insect, antennae very short, legs short and squat; 
Pemphigus bursarius

Apterous whitish, large-sized, antennae noticeably equal to half the body, legs very long (especially the tarsi on hind-legs), cornicles absent or reduced to a pore;  alate with broad pigmented stripes on abdomen
Trama spp see also Trama (Neotrama) caudata

3

Cornicles swollen, alate with a dorsal patch on abdomen 

——> 4

Corniculs cylindrical, alate devoid of pigmentation or with pigmented stripes at the most 

——> 5

4

Apterous light green to opaque green, cornicles strongly bulging asymmetrically, antennae pale, darkened at segmental sutures and with terminal segment dark; alate  with a dorsal patch deeply incised and perforated, antennae dark
Hyperomyzus lactucae

Apterous light green to opaque green, cornicles strongly bulging asymmetrically, antennae pale, darkened at segmental sutures and with terminal segment dark; alate with a dorsal patch jagged and perforated
 Myzus persicae

5

Apterous green or pink, large-sized and elongate, antennae same as length of body and slightly pigmented, cornicles long, cylindrical darkening towards tip, cauda long and light-coloured;    alate  without abdominal pigmentation, antennae and cornicles darkening towards the tip, cauda long and light-coloured
Macrosiphum euphorbiae

 

Apterous green to yellowish green, glossy, piriform, antennae long, spots dark green at base of cornicles, cornicles light-coloured, straight having a dark flange at tip, cauda digitate;  alate with stripes more or less dark on abdomen 
Aulacorthum solani

Apterous yellowish to greenish or sometimes pinkish, always glossy, antennae with a long processus terminalis, abdomen with dorsal stripes weakly pigmented, cornicles long, straight, light-coloured and pigmented at tip, cauda digitate; alate with dorsal stripes pigmented, antennae long, fine and dark, cornicles cylindrical, long and dark, cauda digitate and dark
Nasonovia ribisnigri

Artichoke, salsify, black salsify 

1

On the roots, very large aphid whitish and elongate. Apterous with antennae noticeably equal to half the body; legs very long (especially the hind-leg tarsi); cornicles absent  or reduced to a pore;  alate with broad stripes pigmented on abdomen
Trama spp see also Trama (Neotrama) caudata

Aphid on aerial parts , cornicles present

——> 2

2

Apterous and alate green to yellowish; cornicles long and fine; with numerous hairs on head and abdomen; alate with abdominal patch
Capitophorus horni

Aphid with cornicles short to medium-length

——> 3

3

Apterous matt, dark olive green to black, with future alates within the colony showing waxy white stripes; cornicles straight, black; cauda digitate and squat;  alate with a large number of small rhinaria on antennal segment III, some on IV; abdomen with stripes pigmented and contour uneven
Aphis fabae

Apterous green to yellowish

——> 4

4

Apterous glossy yellowish green; cornicles short and conical; cauda short; colony with very dense population hidden in artichoke capitula ; alate with a dark dorsal patch; cornicles short and conical; cauda short 

Brachycaudus helichrysi

Apterous green, rounded, bulging and adults with a broad brown patch, glossy and compact; cornicles 2-times longer than cauda;  alate with a broad dark patch on dorsal side and lateral spots on segments on ventral side; cornicles straight, medium-sized and black
Brachycaudus cardui

See visual identification identification