Black Bug, Negro Bug (Corimelaena pulicaria)

Order: Hemiptera (he-MIP-ter-a) (Info)
Family: Thyreocoridae
Genus: Corimelaena
Species: pulicaria


This bug has been reportedly found in the following regions:

Tracys Landing, Maryland
Rutledge, Missouri
College Station, Texas
San Antonio, Texas (2 reports)

Members' Notes:


On Dec 29, 2006, htop from San Antonio, TX (Zone 8b) wrote:

I searched for months and months attempting to ID this bug thinking it was a beetle which it resembles. This black, broad, oval and short true bug is up to 1/10 inch long and has an enlarged hard thoracic shield that makes it look like a tiny beetle. It usually has a paler margin along the pronotum and scutellum.

It overwinters in the soil and nymphs can be black or reddish in color. Emerging in March through late April, it voraciously feeds on various plants including grasses, weeds, berries and flowers causing injury. The main damage is done to flower buds and flower parts. I have found the following plants listed in the literature as host plants for this bug:

Solidago missouriensis flowerheads, Baccharis neglecta, Cirsium arvense, Geranium maculatum, ... read more