Andricus texanus

Andricus texanus is a of gall wasp in the Cynipidae, a diverse group of insects that induce characteristic growths on oak trees. Like other members of its , this species manipulates plant tissue to form specialized structures that provide shelter and food for developing larvae. The specific gall and associations distinguish it from related Andricus species.

Andricus texanus by the Smithsonian. Used under a CC0 license.Andricus texanus by the Smithsonian. Used under a CC0 license.Andricus texanus by the Smithsonian. Used under a CC0 license.

Pronunciation

How to pronounce Andricus texanus: /ˈændrɪkəs tɛkˈsænəs/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

Identification relies on the distinctive gall structure produced on oaks, as are small and morphologically similar to other cynipids. Specific diagnostic features for separating A. texanus from require examination of gall characteristics and host plant association.

Images

Habitat

Associated with oak-dominated where trees occur.

Distribution

Distribution records indicate presence in Texas and surrounding regions, with observations documented through citizen science platforms.

Host Associations

  • Quercus - Oak serve as plants for gall induction

Life Cycle

Females lay in oak tissue using an ovipositor, inducing gall formation through chemical secretions that redirect plant growth. Larvae develop within the gall, feeding on specialized nutritive tissue. occurs inside the gall, with emerging to repeat the cycle.

Ecological Role

As a gall inducer, this demonstrates intimate plant-insect . Galls may provide microhabitats for secondary inhabitants and influence local oak , though specific ecological impacts remain unstudied for this species.

Similar Taxa

  • Other Andricus speciesNumerous induce galls on oaks; separation requires gall and specificity
  • Other Cynipidae generaMultiple cynipid produce oak galls; Andricus distinguished by specific gall and traits

More Details

Gall wasp biology

Cynipidae is the second most diverse of gall-inducing insects. Many , including some Andricus, have eliminated males from their through , with females emerging from galls and immediately laying to produce the next of females.

Tags

Sources and further reading