Sphaenothecus bilineatus
In 3 days ~20% in a week ~40%
Sphaenothecus bilineatus, the double-banded bycid, is a species of long-horned beetle in the family Cerambycidae. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Big Bend National Park | 🇺🇸 United States | |
| 2 | Saguaro National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Mesa | 🇺🇸 United States | |
| 2 | Austin | 🇺🇸 United States | |
| 3 | San Antonio | 🇺🇸 United States | |
| 4 | Dallas | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Double-Banded Bycid sighting in Saguaro National Park on a given day, based on 21 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 116th most-seen of the 354 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
October
In that month about 20% of wildlife watchers report a Double-Banded Bycid in Saguaro National Park on a given day, against under 5% in January–March, May–August and November, the lowest months. That is one of Saguaro National Park's driest months, with about 15 mm of rain against 55 mm in July.
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most Double-Banded Bycid sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 2 parks where we can rate Double-Banded Bycid sightings, Saguaro National Park ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Big Bend National Park (United States, about 10%).
Same family: Cerambycidae
The closest relatives of the Double-Banded Bycid that you can see in Saguaro National Park (family Cerambycidae, Longhorn Beetles) are Giant Cactus Longhorn Beetle (about 20%) and Long-Jawed Longhorn Beetle (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Double-Banded Bycid is recorded against all the insects logged in Saguaro National Park (21 verified sightings from 2019 to 2026), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.
